81934515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 153867168

約数和(自身を除く): 71932653

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 227, 585, 617, 681, 1135, 1851, 2043, 2951, 3085, 3405, 5553, 8021, 8853, 9255, 10215, 14755, 24063, 26559, 27765, 40105, 44265, 72189, 120315, 132795, 140059, 360945, 420177, 700295, 1260531, 1820767, 2100885, 5462301, 6302655, 9103835, 16386903, 27311505, 81934515]

約数ペア:

[(1, 81934515), (3, 27311505), (5, 16386903), (9, 9103835), (13, 6302655), (15, 5462301), (39, 2100885), (45, 1820767), (65, 1260531), (117, 700295), (195, 420177), (227, 360945), (585, 140059), (617, 132795), (681, 120315), (1135, 72189), (1851, 44265), (2043, 40105), (2951, 27765), (3085, 26559), (3405, 24063), (5553, 14755), (8021, 10215), (8853, 9255)]