218365215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{827}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 362465280

約数和(自身を除く): 144100065

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 607, 827, 1821, 2481, 3035, 4135, 9105, 12405, 17603, 23983, 52809, 71949, 88015, 119915, 264045, 359745, 501989, 1505967, 2509945, 7529835, 14557681, 43673043, 72788405, 218365215]

約数ペア:

[(1, 218365215), (3, 72788405), (5, 43673043), (15, 14557681), (29, 7529835), (87, 2509945), (145, 1505967), (435, 501989), (607, 359745), (827, 264045), (1821, 119915), (2481, 88015), (3035, 71949), (4135, 52809), (9105, 23983), (12405, 17603)]