81369834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 121842966

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 546, 923, 994, 1491, 1846, 2099, 2769, 2982, 4198, 5538, 6297, 6461, 12594, 12922, 14693, 19383, 27287, 29386, 38766, 44079, 54574, 81861, 88158, 149029, 163722, 191009, 298058, 382018, 447087, 573027, 894174, 1043203, 1146054, 1937377, 2086406, 3129609, 3874754, 5812131, 6259218, 11624262, 13561639, 27123278, 40684917, 81369834]

約数ペア:

[(1, 81369834), (2, 40684917), (3, 27123278), (6, 13561639), (7, 11624262), (13, 6259218), (14, 5812131), (21, 3874754), (26, 3129609), (39, 2086406), (42, 1937377), (71, 1146054), (78, 1043203), (91, 894174), (142, 573027), (182, 447087), (213, 382018), (273, 298058), (426, 191009), (497, 163722), (546, 149029), (923, 88158), (994, 81861), (1491, 54574), (1846, 44079), (2099, 38766), (2769, 29386), (2982, 27287), (4198, 19383), (5538, 14693), (6297, 12922), (6461, 12594)]