40686849

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 70447104

約数和(自身を除く): 29760255

約数列:

[1, 3, 7, 9, 21, 31, 63, 83, 93, 217, 249, 251, 279, 581, 651, 747, 753, 1743, 1757, 1953, 2259, 2573, 5229, 5271, 7719, 7781, 15813, 18011, 20833, 23157, 23343, 54033, 54467, 62499, 70029, 145831, 162099, 163401, 187497, 437493, 490203, 645823, 1312479, 1937469, 4520761, 5812407, 13562283, 40686849]

約数ペア:

[(1, 40686849), (3, 13562283), (7, 5812407), (9, 4520761), (21, 1937469), (31, 1312479), (63, 645823), (83, 490203), (93, 437493), (217, 187497), (249, 163401), (251, 162099), (279, 145831), (581, 70029), (651, 62499), (747, 54467), (753, 54033), (1743, 23343), (1757, 23157), (1953, 20833), (2259, 18011), (2573, 15813), (5229, 7781), (5271, 7719)]