1956463875

素因数分解:

$3^4\times 5^3\times {\mathrm{73}}^1\times {\mathrm{2647}}^1$

素因数の和:2747

約数の個数: 80

約数和(自身を含む): 3698789952

約数和(自身を除く): 1742326077

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 125, 135, 219, 225, 365, 375, 405, 657, 675, 1095, 1125, 1825, 1971, 2025, 2647, 3285, 3375, 5475, 5913, 7941, 9125, 9855, 10125, 13235, 16425, 23823, 27375, 29565, 39705, 49275, 66175, 71469, 82125, 119115, 147825, 193231, 198525, 214407, 246375, 330875, 357345, 579693, 595575, 739125, 966155, 992625, 1072035, 1739079, 1786725, 2898465, 2977875, 4830775, 5217237, 5360175, 8695395, 8933625, 14492325, 15651711, 24153875, 26086185, 26800875, 43476975, 72461625, 78258555, 130430925, 217384875, 391292775, 652154625, 1956463875]

約数ペア:

[(1, 1956463875), (3, 652154625), (5, 391292775), (9, 217384875), (15, 130430925), (25, 78258555), (27, 72461625), (45, 43476975), (73, 26800875), (75, 26086185), (81, 24153875), (125, 15651711), (135, 14492325), (219, 8933625), (225, 8695395), (365, 5360175), (375, 5217237), (405, 4830775), (657, 2977875), (675, 2898465), (1095, 1786725), (1125, 1739079), (1825, 1072035), (1971, 992625), (2025, 966155), (2647, 739125), (3285, 595575), (3375, 579693), (5475, 357345), (5913, 330875), (7941, 246375), (9125, 214407), (9855, 198525), (10125, 193231), (13235, 147825), (16425, 119115), (23823, 82125), (27375, 71469), (29565, 66175), (39705, 49275)]