18475425

素因数分解:

$3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 34402560

約数和(自身を除く): 15927135

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 135, 225, 271, 303, 505, 675, 813, 909, 1355, 1515, 2439, 2525, 2727, 4065, 4545, 6775, 7317, 7575, 12195, 13635, 20325, 22725, 27371, 36585, 60975, 68175, 82113, 136855, 182925, 246339, 410565, 684275, 739017, 1231695, 2052825, 3695085, 6158475, 18475425]

約数ペア:

[(1, 18475425), (3, 6158475), (5, 3695085), (9, 2052825), (15, 1231695), (25, 739017), (27, 684275), (45, 410565), (75, 246339), (101, 182925), (135, 136855), (225, 82113), (271, 68175), (303, 60975), (505, 36585), (675, 27371), (813, 22725), (909, 20325), (1355, 13635), (1515, 12195), (2439, 7575), (2525, 7317), (2727, 6775), (4065, 4545)]