81156636

素因数分解:

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

素因数の和:664

約数の個数: 108

約数和(自身を含む): 233152192

約数和(自身を除く): 151995556

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 121, 124, 132, 186, 198, 242, 279, 341, 363, 372, 396, 484, 558, 601, 682, 726, 1023, 1089, 1116, 1202, 1364, 1452, 1803, 2046, 2178, 2404, 3069, 3606, 3751, 4092, 4356, 5409, 6138, 6611, 7212, 7502, 10818, 11253, 12276, 13222, 15004, 18631, 19833, 21636, 22506, 26444, 33759, 37262, 39666, 45012, 55893, 59499, 67518, 72721, 74524, 79332, 111786, 118998, 135036, 145442, 167679, 204941, 218163, 223572, 237996, 290884, 335358, 409882, 436326, 614823, 654489, 670716, 819764, 872652, 1229646, 1308978, 1844469, 2254351, 2459292, 2617956, 3688938, 4508702, 6763053, 7377876, 9017404, 13526106, 20289159, 27052212, 40578318, 81156636]

約数ペア:

[(1, 81156636), (2, 40578318), (3, 27052212), (4, 20289159), (6, 13526106), (9, 9017404), (11, 7377876), (12, 6763053), (18, 4508702), (22, 3688938), (31, 2617956), (33, 2459292), (36, 2254351), (44, 1844469), (62, 1308978), (66, 1229646), (93, 872652), (99, 819764), (121, 670716), (124, 654489), (132, 614823), (186, 436326), (198, 409882), (242, 335358), (279, 290884), (341, 237996), (363, 223572), (372, 218163), (396, 204941), (484, 167679), (558, 145442), (601, 135036), (682, 118998), (726, 111786), (1023, 79332), (1089, 74524), (1116, 72721), (1202, 67518), (1364, 59499), (1452, 55893), (1803, 45012), (2046, 39666), (2178, 37262), (2404, 33759), (3069, 26444), (3606, 22506), (3751, 21636), (4092, 19833), (4356, 18631), (5409, 15004), (6138, 13222), (6611, 12276), (7212, 11253), (7502, 10818)]