30931335

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 59904000

約数和(自身を除く): 28972665

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 389, 465, 513, 589, 837, 855, 1167, 1395, 1767, 1945, 2565, 2945, 3501, 4185, 5301, 5835, 7391, 8835, 10503, 12059, 15903, 17505, 22173, 26505, 36177, 36955, 52515, 60295, 66519, 79515, 108531, 110865, 180885, 199557, 229121, 325593, 332595, 542655, 687363, 997785, 1145605, 1627965, 2062089, 3436815, 6186267, 10310445, 30931335]

約数ペア:

[(1, 30931335), (3, 10310445), (5, 6186267), (9, 3436815), (15, 2062089), (19, 1627965), (27, 1145605), (31, 997785), (45, 687363), (57, 542655), (93, 332595), (95, 325593), (135, 229121), (155, 199557), (171, 180885), (279, 110865), (285, 108531), (389, 79515), (465, 66519), (513, 60295), (589, 52515), (837, 36955), (855, 36177), (1167, 26505), (1395, 22173), (1767, 17505), (1945, 15903), (2565, 12059), (2945, 10503), (3501, 8835), (4185, 7391), (5301, 5835)]