81451245

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3413}}^1$

素因数の和:3501

約数の個数: 32

約数和(自身を含む): 136996992

約数和(自身を除く): 55545747

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 3413, 4773, 7955, 10239, 17065, 23865, 51195, 126281, 146759, 378843, 440277, 631405, 733795, 1894215, 2201385, 5430083, 16290249, 27150415, 81451245]

約数ペア:

[(1, 81451245), (3, 27150415), (5, 16290249), (15, 5430083), (37, 2201385), (43, 1894215), (111, 733795), (129, 631405), (185, 440277), (215, 378843), (555, 146759), (645, 126281), (1591, 51195), (3413, 23865), (4773, 17065), (7955, 10239)]