77217945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15647}}^1$

素因数の和:15709

約数の個数: 32

約数和(自身を含む): 144211968

約数和(自身を除く): 66994023

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 15647, 46941, 78235, 109529, 234705, 328587, 547645, 735409, 1642935, 2206227, 3677045, 5147863, 11031135, 15443589, 25739315, 77217945]

約数ペア:

[(1, 77217945), (3, 25739315), (5, 15443589), (7, 11031135), (15, 5147863), (21, 3677045), (35, 2206227), (47, 1642935), (105, 735409), (141, 547645), (235, 328587), (329, 234705), (705, 109529), (987, 78235), (1645, 46941), (4935, 15647)]