61578465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 106490496

約数和(自身を除く): 44912031

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 457, 691, 1371, 2073, 2285, 3455, 5941, 6855, 8983, 10365, 17823, 26949, 29705, 44915, 89115, 134745, 315787, 947361, 1578935, 4105231, 4736805, 12315693, 20526155, 61578465]

約数ペア:

[(1, 61578465), (3, 20526155), (5, 12315693), (13, 4736805), (15, 4105231), (39, 1578935), (65, 947361), (195, 315787), (457, 134745), (691, 89115), (1371, 44915), (2073, 29705), (2285, 26949), (3455, 17823), (5941, 10365), (6855, 8983)]