1638975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:108

約数の個数: 36

約数和(自身を含む): 2991128

約数和(自身を除く): 1352153

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1599, 1681, 2665, 3075, 5043, 7995, 8405, 13325, 21853, 25215, 39975, 42025, 65559, 109265, 126075, 327795, 546325, 1638975]

約数ペア:

[(1, 1638975), (3, 546325), (5, 327795), (13, 126075), (15, 109265), (25, 65559), (39, 42025), (41, 39975), (65, 25215), (75, 21853), (123, 13325), (195, 8405), (205, 7995), (325, 5043), (533, 3075), (615, 2665), (975, 1681), (1025, 1599)]