203859915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 385413120

約数和(自身を除く): 181553205

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 101, 105, 141, 235, 303, 329, 409, 505, 705, 707, 987, 1227, 1515, 1645, 2045, 2121, 2863, 3535, 4747, 4935, 6135, 8589, 10605, 14241, 14315, 19223, 23735, 33229, 41309, 42945, 57669, 71205, 96115, 99687, 123927, 134561, 166145, 206545, 288345, 289163, 403683, 498435, 619635, 672805, 867489, 1445815, 1941523, 2018415, 4337445, 5824569, 9707615, 13590661, 29122845, 40771983, 67953305, 203859915]

約数ペア:

[(1, 203859915), (3, 67953305), (5, 40771983), (7, 29122845), (15, 13590661), (21, 9707615), (35, 5824569), (47, 4337445), (101, 2018415), (105, 1941523), (141, 1445815), (235, 867489), (303, 672805), (329, 619635), (409, 498435), (505, 403683), (705, 289163), (707, 288345), (987, 206545), (1227, 166145), (1515, 134561), (1645, 123927), (2045, 99687), (2121, 96115), (2863, 71205), (3535, 57669), (4747, 42945), (4935, 41309), (6135, 33229), (8589, 23735), (10605, 19223), (14241, 14315)]