18163845

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 38332800

約数和(自身を除く): 20168955

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 149, 189, 215, 301, 315, 387, 405, 447, 567, 645, 745, 903, 945, 1043, 1161, 1341, 1505, 1935, 2235, 2709, 2835, 3129, 3483, 4023, 4515, 5215, 5805, 6407, 6705, 8127, 9387, 12069, 13545, 15645, 17415, 19221, 20115, 24381, 28161, 32035, 40635, 44849, 46935, 57663, 60345, 84483, 96105, 121905, 134547, 140805, 172989, 224245, 288315, 403641, 422415, 518967, 672735, 864945, 1210923, 2018205, 2594835, 3632769, 6054615, 18163845]

約数ペア:

[(1, 18163845), (3, 6054615), (5, 3632769), (7, 2594835), (9, 2018205), (15, 1210923), (21, 864945), (27, 672735), (35, 518967), (43, 422415), (45, 403641), (63, 288315), (81, 224245), (105, 172989), (129, 140805), (135, 134547), (149, 121905), (189, 96105), (215, 84483), (301, 60345), (315, 57663), (387, 46935), (405, 44849), (447, 40635), (567, 32035), (645, 28161), (745, 24381), (903, 20115), (945, 19221), (1043, 17415), (1161, 15645), (1341, 13545), (1505, 12069), (1935, 9387), (2235, 8127), (2709, 6705), (2835, 6407), (3129, 5805), (3483, 5215), (4023, 4515)]