74902725

素因数分解:

$3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:856

約数の個数: 60

約数和(自身を含む): 141877824

約数和(自身を除く): 66975099

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 405, 423, 675, 705, 787, 1175, 1269, 2025, 2115, 2361, 3525, 3807, 3935, 6345, 7083, 10575, 11805, 19035, 19675, 21249, 31725, 35415, 36989, 59025, 63747, 95175, 106245, 110967, 177075, 184945, 318735, 332901, 531225, 554835, 924725, 998703, 1593675, 1664505, 2774175, 2996109, 4993515, 8322525, 14980545, 24967575, 74902725]

約数ペア:

[(1, 74902725), (3, 24967575), (5, 14980545), (9, 8322525), (15, 4993515), (25, 2996109), (27, 2774175), (45, 1664505), (47, 1593675), (75, 998703), (81, 924725), (135, 554835), (141, 531225), (225, 332901), (235, 318735), (405, 184945), (423, 177075), (675, 110967), (705, 106245), (787, 95175), (1175, 63747), (1269, 59025), (2025, 36989), (2115, 35415), (2361, 31725), (3525, 21249), (3807, 19675), (3935, 19035), (6345, 11805), (7083, 10575)]