81390075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83477}}^1$

素因数の和:83503

約数の個数: 24

約数和(自身を含む): 144917808

約数和(自身を除く): 63527733

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 83477, 250431, 417385, 1085201, 1252155, 2086925, 3255603, 5426005, 6260775, 16278015, 27130025, 81390075]

約数ペア:

[(1, 81390075), (3, 27130025), (5, 16278015), (13, 6260775), (15, 5426005), (25, 3255603), (39, 2086925), (65, 1252155), (75, 1085201), (195, 417385), (325, 250431), (975, 83477)]