220121865

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1723}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 406643328

約数和(自身を除く): 186521463

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 167, 255, 501, 765, 835, 1503, 1723, 2505, 2839, 5169, 7515, 8517, 8615, 14195, 15507, 25551, 25845, 29291, 42585, 77535, 87873, 127755, 146455, 263619, 287741, 439365, 863223, 1318095, 1438705, 2589669, 4316115, 4891597, 12948345, 14674791, 24457985, 44024373, 73373955, 220121865]

約数ペア:

[(1, 220121865), (3, 73373955), (5, 44024373), (9, 24457985), (15, 14674791), (17, 12948345), (45, 4891597), (51, 4316115), (85, 2589669), (153, 1438705), (167, 1318095), (255, 863223), (501, 439365), (765, 287741), (835, 263619), (1503, 146455), (1723, 127755), (2505, 87873), (2839, 77535), (5169, 42585), (7515, 29291), (8517, 25845), (8615, 25551), (14195, 15507)]