61975665

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 116121600

約数和(自身を除く): 54145935

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 59, 93, 135, 155, 177, 251, 279, 295, 465, 531, 753, 837, 885, 1255, 1395, 1593, 1829, 2259, 2655, 3765, 4185, 5487, 6777, 7781, 7965, 9145, 11295, 14809, 16461, 23343, 27435, 33885, 38905, 44427, 49383, 70029, 74045, 82305, 116715, 133281, 210087, 222135, 246915, 350145, 399843, 459079, 666405, 1050435, 1377237, 1999215, 2295395, 4131711, 6886185, 12395133, 20658555, 61975665]

約数ペア:

[(1, 61975665), (3, 20658555), (5, 12395133), (9, 6886185), (15, 4131711), (27, 2295395), (31, 1999215), (45, 1377237), (59, 1050435), (93, 666405), (135, 459079), (155, 399843), (177, 350145), (251, 246915), (279, 222135), (295, 210087), (465, 133281), (531, 116715), (753, 82305), (837, 74045), (885, 70029), (1255, 49383), (1395, 44427), (1593, 38905), (1829, 33885), (2259, 27435), (2655, 23343), (3765, 16461), (4185, 14809), (5487, 11295), (6777, 9145), (7781, 7965)]