78865515

素因数分解:

$3^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{953}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 140581440

約数和(自身を除く): 61715925

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 613, 953, 1839, 2859, 3065, 4765, 5517, 8577, 9195, 14295, 16551, 25731, 27585, 42885, 82755, 128655, 584189, 1752567, 2920945, 5257701, 8762835, 15773103, 26288505, 78865515]

約数ペア:

[(1, 78865515), (3, 26288505), (5, 15773103), (9, 8762835), (15, 5257701), (27, 2920945), (45, 1752567), (135, 584189), (613, 128655), (953, 82755), (1839, 42885), (2859, 27585), (3065, 25731), (4765, 16551), (5517, 14295), (8577, 9195)]