87996321

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 160727040

約数和(自身を除く): 72730719

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 161, 189, 207, 217, 279, 483, 621, 651, 653, 713, 837, 1449, 1953, 1959, 2139, 4347, 4571, 4991, 5859, 5877, 6417, 13713, 14973, 15019, 17631, 19251, 20243, 41139, 44919, 45057, 60729, 105133, 123417, 134757, 135171, 141701, 182187, 315399, 405513, 425103, 465589, 546561, 946197, 1275309, 1396767, 2838591, 3259123, 3825927, 4190301, 9777369, 12570903, 29332107, 87996321]

約数ペア:

[(1, 87996321), (3, 29332107), (7, 12570903), (9, 9777369), (21, 4190301), (23, 3825927), (27, 3259123), (31, 2838591), (63, 1396767), (69, 1275309), (93, 946197), (161, 546561), (189, 465589), (207, 425103), (217, 405513), (279, 315399), (483, 182187), (621, 141701), (651, 135171), (653, 134757), (713, 123417), (837, 105133), (1449, 60729), (1953, 45057), (1959, 44919), (2139, 41139), (4347, 20243), (4571, 19251), (4991, 17631), (5859, 15019), (5877, 14973), (6417, 13713)]