218610903

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2699}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 369360000

約数和(自身を除く): 150749097

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 399, 551, 609, 931, 1421, 1653, 2699, 2793, 3857, 4263, 8097, 11571, 18893, 26999, 51281, 56679, 78271, 80997, 132251, 153843, 234813, 358967, 396753, 547897, 1076901, 1487149, 1643691, 2512769, 3835279, 4461447, 7538307, 10410043, 11505837, 31230129, 72870301, 218610903]

約数ペア:

[(1, 218610903), (3, 72870301), (7, 31230129), (19, 11505837), (21, 10410043), (29, 7538307), (49, 4461447), (57, 3835279), (87, 2512769), (133, 1643691), (147, 1487149), (203, 1076901), (399, 547897), (551, 396753), (609, 358967), (931, 234813), (1421, 153843), (1653, 132251), (2699, 80997), (2793, 78271), (3857, 56679), (4263, 51281), (8097, 26999), (11571, 18893)]