420272643

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1123}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 652603392

約数和(自身を除く): 232330749

約数列:

[1, 3, 7, 21, 71, 213, 251, 497, 753, 1123, 1491, 1757, 3369, 5271, 7861, 17821, 23583, 53463, 79733, 124747, 239199, 281873, 374241, 558131, 845619, 1674393, 1973111, 5919333, 20012983, 60038949, 140090881, 420272643]

約数ペア:

[(1, 420272643), (3, 140090881), (7, 60038949), (21, 20012983), (71, 5919333), (213, 1973111), (251, 1674393), (497, 845619), (753, 558131), (1123, 374241), (1491, 281873), (1757, 239199), (3369, 124747), (5271, 79733), (7861, 53463), (17821, 23583)]