2551275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 5222880

約数和(自身を除く): 2671605

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 29, 45, 51, 69, 75, 85, 87, 115, 145, 153, 207, 225, 255, 261, 345, 391, 425, 435, 493, 575, 667, 725, 765, 1035, 1173, 1275, 1305, 1479, 1725, 1955, 2001, 2175, 2465, 3335, 3519, 3825, 4437, 5175, 5865, 6003, 6525, 7395, 9775, 10005, 11339, 12325, 16675, 17595, 22185, 29325, 30015, 34017, 36975, 50025, 56695, 87975, 102051, 110925, 150075, 170085, 283475, 510255, 850425, 2551275]

約数ペア:

[(1, 2551275), (3, 850425), (5, 510255), (9, 283475), (15, 170085), (17, 150075), (23, 110925), (25, 102051), (29, 87975), (45, 56695), (51, 50025), (69, 36975), (75, 34017), (85, 30015), (87, 29325), (115, 22185), (145, 17595), (153, 16675), (207, 12325), (225, 11339), (255, 10005), (261, 9775), (345, 7395), (391, 6525), (425, 6003), (435, 5865), (493, 5175), (575, 4437), (667, 3825), (725, 3519), (765, 3335), (1035, 2465), (1173, 2175), (1275, 2001), (1305, 1955), (1479, 1725)]