771975

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 1431456

約数和(自身を除く): 659481

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 73, 75, 141, 219, 225, 235, 365, 423, 657, 705, 1095, 1175, 1825, 2115, 3285, 3431, 3525, 5475, 10293, 10575, 16425, 17155, 30879, 51465, 85775, 154395, 257325, 771975]

約数ペア:

[(1, 771975), (3, 257325), (5, 154395), (9, 85775), (15, 51465), (25, 30879), (45, 17155), (47, 16425), (73, 10575), (75, 10293), (141, 5475), (219, 3525), (225, 3431), (235, 3285), (365, 2115), (423, 1825), (657, 1175), (705, 1095)]