207976587

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1667}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 342246912

約数和(自身を除く): 134270325

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 457, 1371, 1667, 3199, 5001, 5941, 9597, 11669, 17823, 21671, 35007, 41587, 65013, 124761, 151697, 455091, 761819, 2285457, 5332733, 9903647, 15998199, 29710941, 69325529, 207976587]

約数ペア:

[(1, 207976587), (3, 69325529), (7, 29710941), (13, 15998199), (21, 9903647), (39, 5332733), (91, 2285457), (273, 761819), (457, 455091), (1371, 151697), (1667, 124761), (3199, 65013), (5001, 41587), (5941, 35007), (9597, 21671), (11669, 17823)]