861498

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 2152800

約数和(自身を除く): 1291302

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 229, 342, 418, 458, 627, 687, 1254, 1374, 1881, 2061, 2519, 3762, 4122, 4351, 5038, 7557, 8702, 13053, 15114, 22671, 26106, 39159, 45342, 47861, 78318, 95722, 143583, 287166, 430749, 861498]

約数ペア:

[(1, 861498), (2, 430749), (3, 287166), (6, 143583), (9, 95722), (11, 78318), (18, 47861), (19, 45342), (22, 39159), (33, 26106), (38, 22671), (57, 15114), (66, 13053), (99, 8702), (114, 7557), (171, 5038), (198, 4351), (209, 4122), (229, 3762), (342, 2519), (418, 2061), (458, 1881), (627, 1374), (687, 1254)]