2977975

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 5343408

約数和(自身を除く): 2365433

約数列:

[1, 5, 7, 11, 13, 17, 25, 35, 49, 55, 65, 77, 85, 91, 119, 143, 175, 187, 221, 245, 275, 325, 385, 425, 455, 539, 595, 637, 715, 833, 935, 1001, 1105, 1225, 1309, 1547, 1925, 2275, 2431, 2695, 2975, 3185, 3575, 4165, 4675, 5005, 5525, 6545, 7007, 7735, 9163, 10829, 12155, 13475, 15925, 17017, 20825, 25025, 32725, 35035, 38675, 45815, 54145, 60775, 85085, 119119, 175175, 229075, 270725, 425425, 595595, 2977975]

約数ペア:

[(1, 2977975), (5, 595595), (7, 425425), (11, 270725), (13, 229075), (17, 175175), (25, 119119), (35, 85085), (49, 60775), (55, 54145), (65, 45815), (77, 38675), (85, 35035), (91, 32725), (119, 25025), (143, 20825), (175, 17017), (187, 15925), (221, 13475), (245, 12155), (275, 10829), (325, 9163), (385, 7735), (425, 7007), (455, 6545), (539, 5525), (595, 5005), (637, 4675), (715, 4165), (833, 3575), (935, 3185), (1001, 2975), (1105, 2695), (1225, 2431), (1309, 2275), (1547, 1925)]