690390351

素因数分解:

$3^3\times 7^2\times {\mathrm{631}}^1\times {\mathrm{827}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 1193114880

約数和(自身を除く): 502724529

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 631, 827, 1323, 1893, 2481, 4417, 5679, 5789, 7443, 13251, 17037, 17367, 22329, 30919, 39753, 40523, 52101, 92757, 119259, 121569, 156303, 278271, 364707, 521837, 834813, 1094121, 1565511, 3652859, 4696533, 10958577, 14089599, 25570013, 32875731, 76710039, 98627193, 230130117, 690390351]

約数ペア:

[(1, 690390351), (3, 230130117), (7, 98627193), (9, 76710039), (21, 32875731), (27, 25570013), (49, 14089599), (63, 10958577), (147, 4696533), (189, 3652859), (441, 1565511), (631, 1094121), (827, 834813), (1323, 521837), (1893, 364707), (2481, 278271), (4417, 156303), (5679, 121569), (5789, 119259), (7443, 92757), (13251, 52101), (17037, 40523), (17367, 39753), (22329, 30919)]