3639545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 5671680

約数和(自身を除く): 2032135

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 421, 455, 665, 1235, 1729, 2105, 2947, 5473, 7999, 8645, 14735, 27365, 38311, 39995, 55993, 103987, 191555, 279965, 519935, 727909, 3639545]

約数ペア:

[(1, 3639545), (5, 727909), (7, 519935), (13, 279965), (19, 191555), (35, 103987), (65, 55993), (91, 39995), (95, 38311), (133, 27365), (247, 14735), (421, 8645), (455, 7999), (665, 5473), (1235, 2947), (1729, 2105)]