31359657987

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{54443}}^1$

素因数の和:54720

約数の個数: 48

約数和(自身を含む): 53269751808

約数和(自身を除く): 21910093821

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 223, 287, 369, 669, 861, 1561, 2007, 2583, 4683, 9143, 14049, 27429, 54443, 64001, 82287, 163329, 192003, 381101, 489987, 576009, 1143303, 2232163, 3429909, 6696489, 12140789, 15625141, 20089467, 36422367, 46875423, 84985523, 109267101, 140626269, 254956569, 497772349, 764869707, 1493317047, 3484406443, 4479951141, 10453219329, 31359657987]

約数ペア:

[(1, 31359657987), (3, 10453219329), (7, 4479951141), (9, 3484406443), (21, 1493317047), (41, 764869707), (63, 497772349), (123, 254956569), (223, 140626269), (287, 109267101), (369, 84985523), (669, 46875423), (861, 36422367), (1561, 20089467), (2007, 15625141), (2583, 12140789), (4683, 6696489), (9143, 3429909), (14049, 2232163), (27429, 1143303), (54443, 576009), (64001, 489987), (82287, 381101), (163329, 192003)]