31355973

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 54093312

約数和(自身を除く): 22737339

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 153, 187, 279, 341, 527, 561, 601, 1023, 1581, 1683, 1803, 3069, 4743, 5409, 5797, 6611, 10217, 17391, 18631, 19833, 30651, 52173, 55893, 59499, 91953, 112387, 167679, 204941, 316727, 337161, 614823, 950181, 1011483, 1844469, 2850543, 3483997, 10451991, 31355973]

約数ペア:

[(1, 31355973), (3, 10451991), (9, 3483997), (11, 2850543), (17, 1844469), (31, 1011483), (33, 950181), (51, 614823), (93, 337161), (99, 316727), (153, 204941), (187, 167679), (279, 112387), (341, 91953), (527, 59499), (561, 55893), (601, 52173), (1023, 30651), (1581, 19833), (1683, 18631), (1803, 17391), (3069, 10217), (4743, 6611), (5409, 5797)]