25777899

素因数分解:

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

素因数の和:217

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 21500181

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 71, 113, 119, 153, 189, 213, 339, 357, 459, 497, 639, 791, 1017, 1071, 1207, 1491, 1917, 1921, 2373, 3051, 3213, 3621, 4473, 5763, 7119, 8023, 8449, 10863, 13419, 13447, 17289, 21357, 24069, 25347, 32589, 40341, 51867, 56161, 72207, 76041, 121023, 136391, 168483, 216621, 228123, 363069, 409173, 505449, 954737, 1227519, 1516347, 2864211, 3682557, 8592633, 25777899]

約数ペア:

[(1, 25777899), (3, 8592633), (7, 3682557), (9, 2864211), (17, 1516347), (21, 1227519), (27, 954737), (51, 505449), (63, 409173), (71, 363069), (113, 228123), (119, 216621), (153, 168483), (189, 136391), (213, 121023), (339, 76041), (357, 72207), (459, 56161), (497, 51867), (639, 40341), (791, 32589), (1017, 25347), (1071, 24069), (1207, 21357), (1491, 17289), (1917, 13447), (1921, 13419), (2373, 10863), (3051, 8449), (3213, 8023), (3621, 7119), (4473, 5763)]