31960215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 63725376

約数和(自身を除く): 31765161

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 241, 315, 421, 723, 1205, 1263, 1687, 2105, 2169, 2947, 3615, 3789, 5061, 6315, 8435, 8841, 10845, 14735, 15183, 18945, 25305, 26523, 44205, 75915, 101461, 132615, 304383, 507305, 710227, 913149, 1521915, 2130681, 3551135, 4565745, 6392043, 10653405, 31960215]

約数ペア:

[(1, 31960215), (3, 10653405), (5, 6392043), (7, 4565745), (9, 3551135), (15, 2130681), (21, 1521915), (35, 913149), (45, 710227), (63, 507305), (105, 304383), (241, 132615), (315, 101461), (421, 75915), (723, 44205), (1205, 26523), (1263, 25305), (1687, 18945), (2105, 15183), (2169, 14735), (2947, 10845), (3615, 8841), (3789, 8435), (5061, 6315)]