31479975

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 58404000

約数和(自身を除く): 26924025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 225, 313, 447, 675, 745, 939, 1341, 1565, 2235, 2817, 3725, 4023, 4695, 6705, 7825, 8451, 11175, 14085, 20115, 23475, 33525, 42255, 46637, 70425, 100575, 139911, 211275, 233185, 419733, 699555, 1165925, 1259199, 2098665, 3497775, 6295995, 10493325, 31479975]

約数ペア:

[(1, 31479975), (3, 10493325), (5, 6295995), (9, 3497775), (15, 2098665), (25, 1259199), (27, 1165925), (45, 699555), (75, 419733), (135, 233185), (149, 211275), (225, 139911), (313, 100575), (447, 70425), (675, 46637), (745, 42255), (939, 33525), (1341, 23475), (1565, 20115), (2235, 14085), (2817, 11175), (3725, 8451), (4023, 7825), (4695, 6705)]