13399875

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 24806496

約数和(自身を除く): 11406621

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 215, 225, 277, 375, 387, 645, 831, 1075, 1125, 1385, 1935, 2493, 3225, 4155, 5375, 6925, 9675, 11911, 12465, 16125, 20775, 34625, 35733, 48375, 59555, 62325, 103875, 107199, 178665, 297775, 311625, 535995, 893325, 1488875, 2679975, 4466625, 13399875]

約数ペア:

[(1, 13399875), (3, 4466625), (5, 2679975), (9, 1488875), (15, 893325), (25, 535995), (43, 311625), (45, 297775), (75, 178665), (125, 107199), (129, 103875), (215, 62325), (225, 59555), (277, 48375), (375, 35733), (387, 34625), (645, 20775), (831, 16125), (1075, 12465), (1125, 11911), (1385, 9675), (1935, 6925), (2493, 5375), (3225, 4155)]