3128385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 5499648

約数和(自身を除く): 2371263

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 263, 305, 789, 793, 915, 1315, 2379, 3419, 3945, 3965, 10257, 11895, 16043, 17095, 48129, 51285, 80215, 208559, 240645, 625677, 1042795, 3128385]

約数ペア:

[(1, 3128385), (3, 1042795), (5, 625677), (13, 240645), (15, 208559), (39, 80215), (61, 51285), (65, 48129), (183, 17095), (195, 16043), (263, 11895), (305, 10257), (789, 3965), (793, 3945), (915, 3419), (1315, 2379)]