4005045

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 80

約数和(自身を含む): 8363520

約数和(自身を除く): 4358475

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 31, 33, 45, 55, 81, 87, 93, 99, 135, 145, 155, 165, 261, 279, 297, 319, 341, 405, 435, 465, 495, 783, 837, 891, 899, 957, 1023, 1305, 1395, 1485, 1595, 1705, 2349, 2511, 2697, 2871, 3069, 3915, 4185, 4455, 4495, 4785, 5115, 8091, 8613, 9207, 9889, 11745, 12555, 13485, 14355, 15345, 24273, 25839, 27621, 29667, 40455, 43065, 46035, 49445, 72819, 89001, 121365, 129195, 138105, 148335, 267003, 364095, 445005, 801009, 1335015, 4005045]

約数ペア:

[(1, 4005045), (3, 1335015), (5, 801009), (9, 445005), (11, 364095), (15, 267003), (27, 148335), (29, 138105), (31, 129195), (33, 121365), (45, 89001), (55, 72819), (81, 49445), (87, 46035), (93, 43065), (99, 40455), (135, 29667), (145, 27621), (155, 25839), (165, 24273), (261, 15345), (279, 14355), (297, 13485), (319, 12555), (341, 11745), (405, 9889), (435, 9207), (465, 8613), (495, 8091), (783, 5115), (837, 4785), (891, 4495), (899, 4455), (957, 4185), (1023, 3915), (1305, 3069), (1395, 2871), (1485, 2697), (1595, 2511), (1705, 2349)]