66406275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 130262496

約数和(自身を除く): 63856221

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 73, 75, 117, 195, 219, 225, 311, 325, 365, 585, 657, 933, 949, 975, 1095, 1555, 1825, 2799, 2847, 2925, 3285, 4043, 4665, 4745, 5475, 7775, 8541, 12129, 13995, 14235, 16425, 20215, 22703, 23325, 23725, 36387, 42705, 60645, 68109, 69975, 71175, 101075, 113515, 181935, 204327, 213525, 295139, 303225, 340545, 567575, 885417, 909675, 1021635, 1475695, 1702725, 2656251, 4427085, 5108175, 7378475, 13281255, 22135425, 66406275]

約数ペア:

[(1, 66406275), (3, 22135425), (5, 13281255), (9, 7378475), (13, 5108175), (15, 4427085), (25, 2656251), (39, 1702725), (45, 1475695), (65, 1021635), (73, 909675), (75, 885417), (117, 567575), (195, 340545), (219, 303225), (225, 295139), (311, 213525), (325, 204327), (365, 181935), (585, 113515), (657, 101075), (933, 71175), (949, 69975), (975, 68109), (1095, 60645), (1555, 42705), (1825, 36387), (2799, 23725), (2847, 23325), (2925, 22703), (3285, 20215), (4043, 16425), (4665, 14235), (4745, 13995), (5475, 12129), (7775, 8541)]