253709487

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{31357}}^1$

素因数の和:31423

約数の個数: 24

約数和(自身を含む): 391347840

約数和(自身を除く): 137638353

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 31357, 94071, 282213, 909353, 972067, 2728059, 2916201, 8184177, 8748603, 28189943, 84569829, 253709487]

約数ペア:

[(1, 253709487), (3, 84569829), (9, 28189943), (29, 8748603), (31, 8184177), (87, 2916201), (93, 2728059), (261, 972067), (279, 909353), (899, 282213), (2697, 94071), (8091, 31357)]