81551844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2161

約数の個数: 72

約数和(自身を含む): 227223360

約数和(自身を除く): 145671516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 606, 909, 1111, 1212, 1818, 2039, 2222, 3333, 3636, 4078, 4444, 6117, 6666, 8156, 9999, 12234, 13332, 18351, 19998, 22429, 24468, 36702, 39996, 44858, 67287, 73404, 89716, 134574, 201861, 205939, 269148, 403722, 411878, 617817, 807444, 823756, 1235634, 1853451, 2265329, 2471268, 3706902, 4530658, 6795987, 7413804, 9061316, 13591974, 20387961, 27183948, 40775922, 81551844]

約数ペア:

[(1, 81551844), (2, 40775922), (3, 27183948), (4, 20387961), (6, 13591974), (9, 9061316), (11, 7413804), (12, 6795987), (18, 4530658), (22, 3706902), (33, 2471268), (36, 2265329), (44, 1853451), (66, 1235634), (99, 823756), (101, 807444), (132, 617817), (198, 411878), (202, 403722), (303, 269148), (396, 205939), (404, 201861), (606, 134574), (909, 89716), (1111, 73404), (1212, 67287), (1818, 44858), (2039, 39996), (2222, 36702), (3333, 24468), (3636, 22429), (4078, 19998), (4444, 18351), (6117, 13332), (6666, 12234), (8156, 9999)]