40520991

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 64281600

約数和(自身を除く): 23760609

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 343, 371, 743, 1029, 1113, 2229, 2597, 5201, 7791, 15603, 18179, 36407, 39379, 54537, 109221, 118137, 254849, 275653, 764547, 826959, 1929571, 5788713, 13506997, 40520991]

約数ペア:

[(1, 40520991), (3, 13506997), (7, 5788713), (21, 1929571), (49, 826959), (53, 764547), (147, 275653), (159, 254849), (343, 118137), (371, 109221), (743, 54537), (1029, 39379), (1113, 36407), (2229, 18179), (2597, 15603), (5201, 7791)]