15896025

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 30640896

約数和(自身を除く): 14744871

約数列:

[1, 3, 5, 9, 15, 25, 31, 43, 45, 53, 75, 93, 129, 155, 159, 215, 225, 265, 279, 387, 465, 477, 645, 775, 795, 1075, 1325, 1333, 1395, 1643, 1935, 2279, 2325, 2385, 3225, 3975, 3999, 4929, 6665, 6837, 6975, 8215, 9675, 11395, 11925, 11997, 14787, 19995, 20511, 24645, 33325, 34185, 41075, 56975, 59985, 70649, 73935, 99975, 102555, 123225, 170925, 211947, 299925, 353245, 369675, 512775, 635841, 1059735, 1766225, 3179205, 5298675, 15896025]

約数ペア:

[(1, 15896025), (3, 5298675), (5, 3179205), (9, 1766225), (15, 1059735), (25, 635841), (31, 512775), (43, 369675), (45, 353245), (53, 299925), (75, 211947), (93, 170925), (129, 123225), (155, 102555), (159, 99975), (215, 73935), (225, 70649), (265, 59985), (279, 56975), (387, 41075), (465, 34185), (477, 33325), (645, 24645), (775, 20511), (795, 19995), (1075, 14787), (1325, 11997), (1333, 11925), (1395, 11395), (1643, 9675), (1935, 8215), (2279, 6975), (2325, 6837), (2385, 6665), (3225, 4929), (3975, 3999)]