40505145

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 66749184

約数和(自身を除く): 26244039

約数列:

[1, 3, 5, 15, 71, 73, 213, 219, 355, 365, 521, 1065, 1095, 1563, 2605, 5183, 7815, 15549, 25915, 36991, 38033, 77745, 110973, 114099, 184955, 190165, 554865, 570495, 2700343, 8101029, 13501715, 40505145]

約数ペア:

[(1, 40505145), (3, 13501715), (5, 8101029), (15, 2700343), (71, 570495), (73, 554865), (213, 190165), (219, 184955), (355, 114099), (365, 110973), (521, 77745), (1065, 38033), (1095, 36991), (1563, 25915), (2605, 15549), (5183, 7815)]