321196545

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 568339200

約数和(自身を除く): 247142655

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 229, 355, 439, 639, 687, 1065, 1145, 1317, 2061, 2195, 3195, 3435, 3951, 6585, 10305, 16259, 19755, 31169, 48777, 81295, 93507, 100531, 146331, 155845, 243885, 280521, 301593, 467535, 502655, 731655, 904779, 1402605, 1507965, 4523895, 7137701, 21413103, 35688505, 64239309, 107065515, 321196545]

約数ペア:

[(1, 321196545), (3, 107065515), (5, 64239309), (9, 35688505), (15, 21413103), (45, 7137701), (71, 4523895), (213, 1507965), (229, 1402605), (355, 904779), (439, 731655), (639, 502655), (687, 467535), (1065, 301593), (1145, 280521), (1317, 243885), (2061, 155845), (2195, 146331), (3195, 100531), (3435, 93507), (3951, 81295), (6585, 48777), (10305, 31169), (16259, 19755)]