9781888707

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 15370887168

約数和(自身を除く): 5588998461

約数列:

[1, 3, 9, 23, 31, 69, 93, 191, 207, 279, 347, 529, 573, 713, 1041, 1587, 1719, 2139, 3123, 4393, 4761, 5921, 6417, 7981, 10757, 13179, 16399, 17763, 23943, 32271, 39537, 49197, 53289, 66277, 71829, 96813, 101039, 136183, 147591, 183563, 198831, 247411, 303117, 408549, 550689, 596493, 742233, 909351, 1225647, 1524371, 1652067, 2054587, 2226699, 3132209, 4573113, 5690453, 6163761, 9396627, 13719339, 17071359, 18491283, 28189881, 35060533, 47255501, 51214077, 105181599, 141766503, 315544797, 425299509, 1086876523, 3260629569, 9781888707]

約数ペア:

[(1, 9781888707), (3, 3260629569), (9, 1086876523), (23, 425299509), (31, 315544797), (69, 141766503), (93, 105181599), (191, 51214077), (207, 47255501), (279, 35060533), (347, 28189881), (529, 18491283), (573, 17071359), (713, 13719339), (1041, 9396627), (1587, 6163761), (1719, 5690453), (2139, 4573113), (3123, 3132209), (4393, 2226699), (4761, 2054587), (5921, 1652067), (6417, 1524371), (7981, 1225647), (10757, 909351), (13179, 742233), (16399, 596493), (17763, 550689), (23943, 408549), (32271, 303117), (39537, 247411), (49197, 198831), (53289, 183563), (66277, 147591), (71829, 136183), (96813, 101039)]