2691345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 4665600

約数和(自身を除く): 1974255

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 269, 345, 435, 667, 807, 1345, 2001, 3335, 4035, 6187, 7801, 10005, 18561, 23403, 30935, 39005, 92805, 117015, 179423, 538269, 897115, 2691345]

約数ペア:

[(1, 2691345), (3, 897115), (5, 538269), (15, 179423), (23, 117015), (29, 92805), (69, 39005), (87, 30935), (115, 23403), (145, 18561), (269, 10005), (345, 7801), (435, 6187), (667, 4035), (807, 3335), (1345, 2001)]