31300290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{16561}}^1$

素因数の和:16584

約数の個数: 64

約数和(自身を含む): 95397120

約数和(自身を除く): 64096830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 16561, 33122, 49683, 82805, 99366, 115927, 149049, 165610, 231854, 248415, 298098, 347781, 447147, 496830, 579635, 695562, 745245, 894294, 1043343, 1159270, 1490490, 1738905, 2086686, 2235735, 3130029, 3477810, 4471470, 5216715, 6260058, 10433430, 15650145, 31300290]

約数ペア:

[(1, 31300290), (2, 15650145), (3, 10433430), (5, 6260058), (6, 5216715), (7, 4471470), (9, 3477810), (10, 3130029), (14, 2235735), (15, 2086686), (18, 1738905), (21, 1490490), (27, 1159270), (30, 1043343), (35, 894294), (42, 745245), (45, 695562), (54, 579635), (63, 496830), (70, 447147), (90, 347781), (105, 298098), (126, 248415), (135, 231854), (189, 165610), (210, 149049), (270, 115927), (315, 99366), (378, 82805), (630, 49683), (945, 33122), (1890, 16561)]