31140315

素因数分解:

$3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{919}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 24501285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 251, 753, 919, 1255, 2259, 2757, 3765, 4595, 6777, 8271, 11295, 13785, 24813, 33885, 41355, 124065, 230669, 692007, 1153345, 2076021, 3460035, 6228063, 10380105, 31140315]

約数ペア:

[(1, 31140315), (3, 10380105), (5, 6228063), (9, 3460035), (15, 2076021), (27, 1153345), (45, 692007), (135, 230669), (251, 124065), (753, 41355), (919, 33885), (1255, 24813), (2259, 13785), (2757, 11295), (3765, 8271), (4595, 6777)]