206518095

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1283}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 422441136

約数和(自身を除く): 215923041

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 219, 245, 315, 365, 441, 511, 657, 735, 1095, 1283, 1533, 2205, 2555, 3285, 3577, 3849, 4599, 6415, 7665, 8981, 10731, 11547, 17885, 19245, 22995, 26943, 32193, 44905, 53655, 57735, 62867, 80829, 93659, 134715, 160965, 188601, 280977, 314335, 404145, 468295, 565803, 655613, 842931, 943005, 1404885, 1966839, 2829015, 3278065, 4214655, 4589291, 5900517, 9834195, 13767873, 22946455, 29502585, 41303619, 68839365, 206518095]

約数ペア:

[(1, 206518095), (3, 68839365), (5, 41303619), (7, 29502585), (9, 22946455), (15, 13767873), (21, 9834195), (35, 5900517), (45, 4589291), (49, 4214655), (63, 3278065), (73, 2829015), (105, 1966839), (147, 1404885), (219, 943005), (245, 842931), (315, 655613), (365, 565803), (441, 468295), (511, 404145), (657, 314335), (735, 280977), (1095, 188601), (1283, 160965), (1533, 134715), (2205, 93659), (2555, 80829), (3285, 62867), (3577, 57735), (3849, 53655), (4599, 44905), (6415, 32193), (7665, 26943), (8981, 22995), (10731, 19245), (11547, 17885)]