16886475

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 32408640

約数和(自身を除く): 15522165

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 269, 279, 405, 465, 675, 775, 807, 837, 1345, 1395, 2025, 2325, 2421, 2511, 4035, 4185, 6725, 6975, 7263, 8339, 12105, 12555, 20175, 20925, 21789, 25017, 36315, 41695, 60525, 62775, 75051, 108945, 125085, 181575, 208475, 225153, 375255, 544725, 625425, 675459, 1125765, 1876275, 3377295, 5628825, 16886475]

約数ペア:

[(1, 16886475), (3, 5628825), (5, 3377295), (9, 1876275), (15, 1125765), (25, 675459), (27, 625425), (31, 544725), (45, 375255), (75, 225153), (81, 208475), (93, 181575), (135, 125085), (155, 108945), (225, 75051), (269, 62775), (279, 60525), (405, 41695), (465, 36315), (675, 25017), (775, 21789), (807, 20925), (837, 20175), (1345, 12555), (1395, 12105), (2025, 8339), (2325, 7263), (2421, 6975), (2511, 6725), (4035, 4185)]