31966155

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 60854976

約数和(自身を除く): 28888821

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 689, 795, 1031, 2067, 2385, 3093, 3445, 5155, 6201, 9279, 10335, 13403, 15465, 31005, 40209, 46395, 54643, 67015, 120627, 163929, 201045, 273215, 491787, 603135, 710359, 819645, 2131077, 2458935, 3551795, 6393231, 10655385, 31966155]

約数ペア:

[(1, 31966155), (3, 10655385), (5, 6393231), (9, 3551795), (13, 2458935), (15, 2131077), (39, 819645), (45, 710359), (53, 603135), (65, 491787), (117, 273215), (159, 201045), (195, 163929), (265, 120627), (477, 67015), (585, 54643), (689, 46395), (795, 40209), (1031, 31005), (2067, 15465), (2385, 13403), (3093, 10335), (3445, 9279), (5155, 6201)]