76881285

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 149506560

約数和(自身を除く): 72625275

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 617, 639, 923, 1065, 1755, 1851, 1917, 2769, 3085, 3195, 4615, 5553, 8021, 8307, 9255, 9585, 13845, 16659, 24063, 24921, 27765, 40105, 41535, 43807, 72189, 83295, 120315, 124605, 131421, 216567, 219035, 360945, 394263, 569491, 657105, 1082835, 1182789, 1708473, 1971315, 2847455, 5125419, 5913945, 8542365, 15376257, 25627095, 76881285]

約数ペア:

[(1, 76881285), (3, 25627095), (5, 15376257), (9, 8542365), (13, 5913945), (15, 5125419), (27, 2847455), (39, 1971315), (45, 1708473), (65, 1182789), (71, 1082835), (117, 657105), (135, 569491), (195, 394263), (213, 360945), (351, 219035), (355, 216567), (585, 131421), (617, 124605), (639, 120315), (923, 83295), (1065, 72189), (1755, 43807), (1851, 41535), (1917, 40105), (2769, 27765), (3085, 24921), (3195, 24063), (4615, 16659), (5553, 13845), (8021, 9585), (8307, 9255)]