21409486569

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{977}}^1\times {\mathrm{2909}}^1$

素因数の和:3932

約数の個数: 48

約数和(自身を含む): 33149975040

約数和(自身を除く): 11740488471

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 977, 2511, 2909, 2931, 7533, 8727, 8793, 26181, 26379, 30287, 78543, 79137, 90179, 90861, 235629, 237411, 270537, 272583, 706887, 811611, 817749, 2434833, 2453247, 2842093, 7304499, 7359741, 8526279, 21913497, 25578837, 76736511, 88104883, 230209533, 264314649, 690628599, 792943947, 2378831841, 7136495523, 21409486569]

約数ペア:

[(1, 21409486569), (3, 7136495523), (9, 2378831841), (27, 792943947), (31, 690628599), (81, 264314649), (93, 230209533), (243, 88104883), (279, 76736511), (837, 25578837), (977, 21913497), (2511, 8526279), (2909, 7359741), (2931, 7304499), (7533, 2842093), (8727, 2453247), (8793, 2434833), (26181, 817749), (26379, 811611), (30287, 706887), (78543, 272583), (79137, 270537), (90179, 237411), (90861, 235629)]