128889495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 283668480

約数和(自身を除く): 154778985

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 71, 85, 105, 113, 119, 135, 153, 189, 213, 255, 315, 339, 355, 357, 459, 497, 565, 595, 639, 765, 791, 945, 1017, 1065, 1071, 1207, 1491, 1695, 1785, 1917, 1921, 2295, 2373, 2485, 3051, 3195, 3213, 3621, 3955, 4473, 5085, 5355, 5763, 6035, 7119, 7455, 8023, 8449, 9585, 9605, 10863, 11865, 13419, 13447, 15255, 16065, 17289, 18105, 21357, 22365, 24069, 25347, 28815, 32589, 35595, 40115, 40341, 42245, 51867, 54315, 56161, 67095, 67235, 72207, 76041, 86445, 106785, 120345, 121023, 126735, 136391, 162945, 168483, 201705, 216621, 228123, 259335, 280805, 361035, 363069, 380205, 409173, 505449, 605115, 681955, 842415, 954737, 1083105, 1140615, 1227519, 1516347, 1815345, 2045865, 2527245, 2864211, 3682557, 4773685, 6137595, 7581735, 8592633, 14321055, 18412785, 25777899, 42963165, 128889495]

約数ペア:

[(1, 128889495), (3, 42963165), (5, 25777899), (7, 18412785), (9, 14321055), (15, 8592633), (17, 7581735), (21, 6137595), (27, 4773685), (35, 3682557), (45, 2864211), (51, 2527245), (63, 2045865), (71, 1815345), (85, 1516347), (105, 1227519), (113, 1140615), (119, 1083105), (135, 954737), (153, 842415), (189, 681955), (213, 605115), (255, 505449), (315, 409173), (339, 380205), (355, 363069), (357, 361035), (459, 280805), (497, 259335), (565, 228123), (595, 216621), (639, 201705), (765, 168483), (791, 162945), (945, 136391), (1017, 126735), (1065, 121023), (1071, 120345), (1207, 106785), (1491, 86445), (1695, 76041), (1785, 72207), (1917, 67235), (1921, 67095), (2295, 56161), (2373, 54315), (2485, 51867), (3051, 42245), (3195, 40341), (3213, 40115), (3621, 35595), (3955, 32589), (4473, 28815), (5085, 25347), (5355, 24069), (5763, 22365), (6035, 21357), (7119, 18105), (7455, 17289), (8023, 16065), (8449, 15255), (9585, 13447), (9605, 13419), (10863, 11865)]