1969930881

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 3077222400

約数和(自身を除く): 1107291519

約数列:

[1, 3, 9, 27, 47, 59, 83, 141, 177, 249, 317, 423, 531, 747, 951, 1269, 1593, 2241, 2773, 2853, 3901, 4897, 8319, 8559, 11703, 14691, 14899, 18703, 24957, 26311, 35109, 44073, 44697, 56109, 74871, 78933, 105327, 132219, 134091, 168327, 230159, 236799, 402273, 504981, 690477, 710397, 879041, 1236617, 1552349, 2071431, 2637123, 3709851, 4657047, 6214293, 7911369, 11129553, 13971141, 23734107, 33388659, 41913423, 72960403, 218881209, 656643627, 1969930881]

約数ペア:

[(1, 1969930881), (3, 656643627), (9, 218881209), (27, 72960403), (47, 41913423), (59, 33388659), (83, 23734107), (141, 13971141), (177, 11129553), (249, 7911369), (317, 6214293), (423, 4657047), (531, 3709851), (747, 2637123), (951, 2071431), (1269, 1552349), (1593, 1236617), (2241, 879041), (2773, 710397), (2853, 690477), (3901, 504981), (4897, 402273), (8319, 236799), (8559, 230159), (11703, 168327), (14691, 134091), (14899, 132219), (18703, 105327), (24957, 78933), (26311, 74871), (35109, 56109), (44073, 44697)]