13218375

素因数分解:

$3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 22276800

約数和(自身を除く): 9058425

約数列:

[1, 3, 5, 15, 25, 75, 101, 125, 303, 349, 375, 505, 1047, 1515, 1745, 2525, 5235, 7575, 8725, 12625, 26175, 35249, 37875, 43625, 105747, 130875, 176245, 528735, 881225, 2643675, 4406125, 13218375]

約数ペア:

[(1, 13218375), (3, 4406125), (5, 2643675), (15, 881225), (25, 528735), (75, 176245), (101, 130875), (125, 105747), (303, 43625), (349, 37875), (375, 35249), (505, 26175), (1047, 12625), (1515, 8725), (1745, 7575), (2525, 5235)]