40520439

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 63037440

約数和(自身を除く): 22517001

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 863, 999, 1269, 1739, 2589, 5217, 7767, 15651, 23301, 31931, 40561, 46953, 95793, 121683, 287379, 365049, 862137, 1095147, 1500757, 4502271, 13506813, 40520439]

約数ペア:

[(1, 40520439), (3, 13506813), (9, 4502271), (27, 1500757), (37, 1095147), (47, 862137), (111, 365049), (141, 287379), (333, 121683), (423, 95793), (863, 46953), (999, 40561), (1269, 31931), (1739, 23301), (2589, 15651), (5217, 7767)]