9997965

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 18355200

約数和(自身を除く): 8357235

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 2389, 4185, 7167, 11945, 21501, 35835, 64503, 74059, 107505, 222177, 322515, 370295, 666531, 1110885, 1999593, 3332655, 9997965]

約数ペア:

[(1, 9997965), (3, 3332655), (5, 1999593), (9, 1110885), (15, 666531), (27, 370295), (31, 322515), (45, 222177), (93, 107505), (135, 74059), (155, 64503), (279, 35835), (465, 21501), (837, 11945), (1395, 7167), (2389, 4185)]