15327775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 21257320

約数和(自身を除く): 5929545

約数列:

[1, 5, 19, 23, 25, 61, 95, 115, 305, 437, 475, 529, 575, 1159, 1403, 1525, 2185, 2645, 5795, 7015, 10051, 10925, 13225, 26657, 28975, 32269, 35075, 50255, 133285, 161345, 251275, 613111, 666425, 806725, 3065555, 15327775]

約数ペア:

[(1, 15327775), (5, 3065555), (19, 806725), (23, 666425), (25, 613111), (61, 251275), (95, 161345), (115, 133285), (305, 50255), (437, 35075), (475, 32269), (529, 28975), (575, 26657), (1159, 13225), (1403, 10925), (1525, 10051), (2185, 7015), (2645, 5795)]