121512015

素因数分解:

$3^3\times 5^1\times {\mathrm{900089}}^1$

素因数の和:900103

約数の個数: 16

約数和(自身を含む): 216021600

約数和(自身を除く): 94509585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 900089, 2700267, 4500445, 8100801, 13501335, 24302403, 40504005, 121512015]

約数ペア:

[(1, 121512015), (3, 40504005), (5, 24302403), (9, 13501335), (15, 8100801), (27, 4500445), (45, 2700267), (135, 900089)]