7890015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 14547456

約数和(自身を除く): 6657441

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 461, 489, 815, 1141, 1383, 2305, 2445, 3227, 3423, 5705, 6915, 9681, 16135, 17115, 48405, 75143, 225429, 375715, 526001, 1127145, 1578003, 2630005, 7890015]

約数ペア:

[(1, 7890015), (3, 2630005), (5, 1578003), (7, 1127145), (15, 526001), (21, 375715), (35, 225429), (105, 75143), (163, 48405), (461, 17115), (489, 16135), (815, 9681), (1141, 6915), (1383, 5705), (2305, 3423), (2445, 3227)]