18037425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 37711872

約数和(自身を除く): 19674447

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 43, 47, 51, 75, 85, 105, 119, 129, 141, 175, 215, 235, 255, 301, 329, 357, 425, 525, 595, 645, 705, 731, 799, 903, 987, 1075, 1175, 1275, 1505, 1645, 1785, 2021, 2193, 2397, 2975, 3225, 3525, 3655, 3995, 4515, 4935, 5117, 5593, 6063, 7525, 8225, 8925, 10105, 10965, 11985, 14147, 15351, 16779, 18275, 19975, 22575, 24675, 25585, 27965, 30315, 34357, 42441, 50525, 54825, 59925, 70735, 76755, 83895, 103071, 127925, 139825, 151575, 171785, 212205, 240499, 353675, 383775, 419475, 515355, 721497, 858925, 1061025, 1202495, 2576775, 3607485, 6012475, 18037425]

約数ペア:

[(1, 18037425), (3, 6012475), (5, 3607485), (7, 2576775), (15, 1202495), (17, 1061025), (21, 858925), (25, 721497), (35, 515355), (43, 419475), (47, 383775), (51, 353675), (75, 240499), (85, 212205), (105, 171785), (119, 151575), (129, 139825), (141, 127925), (175, 103071), (215, 83895), (235, 76755), (255, 70735), (301, 59925), (329, 54825), (357, 50525), (425, 42441), (525, 34357), (595, 30315), (645, 27965), (705, 25585), (731, 24675), (799, 22575), (903, 19975), (987, 18275), (1075, 16779), (1175, 15351), (1275, 14147), (1505, 11985), (1645, 10965), (1785, 10105), (2021, 8925), (2193, 8225), (2397, 7525), (2975, 6063), (3225, 5593), (3525, 5117), (3655, 4935), (3995, 4515)]