1897245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 3968640

約数和(自身を除く): 2071395

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 317, 399, 665, 855, 951, 1197, 1585, 1995, 2219, 2853, 4755, 5985, 6023, 6657, 11095, 14265, 18069, 19971, 30115, 33285, 42161, 54207, 90345, 99855, 126483, 210805, 271035, 379449, 632415, 1897245]

約数ペア:

[(1, 1897245), (3, 632415), (5, 379449), (7, 271035), (9, 210805), (15, 126483), (19, 99855), (21, 90345), (35, 54207), (45, 42161), (57, 33285), (63, 30115), (95, 19971), (105, 18069), (133, 14265), (171, 11095), (285, 6657), (315, 6023), (317, 5985), (399, 4755), (665, 2853), (855, 2219), (951, 1995), (1197, 1585)]