1890225

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 3507712

約数和(自身を除く): 1617487

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 271, 279, 465, 775, 813, 1355, 1395, 2325, 2439, 4065, 6775, 6975, 8401, 12195, 20325, 25203, 42005, 60975, 75609, 126015, 210025, 378045, 630075, 1890225]

約数ペア:

[(1, 1890225), (3, 630075), (5, 378045), (9, 210025), (15, 126015), (25, 75609), (31, 60975), (45, 42005), (75, 25203), (93, 20325), (155, 12195), (225, 8401), (271, 6975), (279, 6775), (465, 4065), (775, 2439), (813, 2325), (1355, 1395)]