30180213

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16519}}^1$

素因数の和:16561

約数の個数: 24

約数和(自身を含む): 51542400

約数和(自身を除く): 21362187

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 16519, 49557, 115633, 148671, 346899, 479051, 1040697, 1437153, 3353357, 4311459, 10060071, 30180213]

約数ペア:

[(1, 30180213), (3, 10060071), (7, 4311459), (9, 3353357), (21, 1437153), (29, 1040697), (63, 479051), (87, 346899), (203, 148671), (261, 115633), (609, 49557), (1827, 16519)]