2021061915

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{23801}}^1$

素因数の和:23869

約数の個数: 64

約数和(自身を含む): 3907336320

約数和(自身を除く): 1886274405

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 153, 185, 255, 333, 459, 555, 629, 765, 999, 1665, 1887, 2295, 3145, 4995, 5661, 9435, 16983, 23801, 28305, 71403, 84915, 119005, 214209, 357015, 404617, 642627, 880637, 1071045, 1213851, 2023085, 2641911, 3213135, 3641553, 4403185, 6069255, 7925733, 10924659, 13209555, 14970829, 18207765, 23777199, 39628665, 44912487, 54623295, 74854145, 118885995, 134737461, 224562435, 404212383, 673687305, 2021061915]

約数ペア:

[(1, 2021061915), (3, 673687305), (5, 404212383), (9, 224562435), (15, 134737461), (17, 118885995), (27, 74854145), (37, 54623295), (45, 44912487), (51, 39628665), (85, 23777199), (111, 18207765), (135, 14970829), (153, 13209555), (185, 10924659), (255, 7925733), (333, 6069255), (459, 4403185), (555, 3641553), (629, 3213135), (765, 2641911), (999, 2023085), (1665, 1213851), (1887, 1071045), (2295, 880637), (3145, 642627), (4995, 404617), (5661, 357015), (9435, 214209), (16983, 119005), (23801, 84915), (28305, 71403)]