215917875

素因数分解:

$3^2\times 5^3\times {\mathrm{59}}^1\times {\mathrm{3253}}^1$

素因数の和:3333

約数の個数: 48

約数和(自身を含む): 395946720

約数和(自身を除く): 180028845

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 125, 177, 225, 295, 375, 531, 885, 1125, 1475, 2655, 3253, 4425, 7375, 9759, 13275, 16265, 22125, 29277, 48795, 66375, 81325, 146385, 191927, 243975, 406625, 575781, 731925, 959635, 1219875, 1727343, 2878905, 3659625, 4798175, 8636715, 14394525, 23990875, 43183575, 71972625, 215917875]

約数ペア:

[(1, 215917875), (3, 71972625), (5, 43183575), (9, 23990875), (15, 14394525), (25, 8636715), (45, 4798175), (59, 3659625), (75, 2878905), (125, 1727343), (177, 1219875), (225, 959635), (295, 731925), (375, 575781), (531, 406625), (885, 243975), (1125, 191927), (1475, 146385), (2655, 81325), (3253, 66375), (4425, 48795), (7375, 29277), (9759, 22125), (13275, 16265)]