161427189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 296932608

約数和(自身を除く): 135505419

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 101, 111, 119, 121, 187, 231, 259, 303, 357, 363, 407, 561, 629, 707, 777, 847, 1111, 1221, 1309, 1717, 1887, 2057, 2121, 2541, 2849, 3333, 3737, 3927, 4403, 4477, 5151, 6171, 6919, 7777, 8547, 11211, 12019, 12221, 13209, 13431, 14399, 18887, 20757, 23331, 26159, 31339, 36057, 36663, 41107, 43197, 48433, 56661, 63529, 76109, 78477, 85547, 94017, 123321, 132209, 145299, 190587, 207757, 228327, 256641, 287749, 396627, 444703, 452177, 532763, 623271, 698819, 863247, 1334109, 1356531, 1454299, 1598289, 2096457, 3165239, 4362897, 4891733, 7687009, 9495717, 14675199, 23061027, 53809063, 161427189]

約数ペア:

[(1, 161427189), (3, 53809063), (7, 23061027), (11, 14675199), (17, 9495717), (21, 7687009), (33, 4891733), (37, 4362897), (51, 3165239), (77, 2096457), (101, 1598289), (111, 1454299), (119, 1356531), (121, 1334109), (187, 863247), (231, 698819), (259, 623271), (303, 532763), (357, 452177), (363, 444703), (407, 396627), (561, 287749), (629, 256641), (707, 228327), (777, 207757), (847, 190587), (1111, 145299), (1221, 132209), (1309, 123321), (1717, 94017), (1887, 85547), (2057, 78477), (2121, 76109), (2541, 63529), (2849, 56661), (3333, 48433), (3737, 43197), (3927, 41107), (4403, 36663), (4477, 36057), (5151, 31339), (6171, 26159), (6919, 23331), (7777, 20757), (8547, 18887), (11211, 14399), (12019, 13431), (12221, 13209)]