203428155

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2129

約数の個数: 64

約数和(自身を含む): 399744000

約数和(自身を除く): 196315845

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 343, 399, 665, 735, 931, 1029, 1715, 1995, 2081, 2793, 4655, 5145, 6243, 6517, 10405, 13965, 14567, 19551, 31215, 32585, 39539, 43701, 72835, 97755, 101969, 118617, 197695, 218505, 276773, 305907, 509845, 593085, 713783, 830319, 1383865, 1529535, 1937411, 2141349, 3568915, 4151595, 5812233, 9687055, 10706745, 13561877, 29061165, 40685631, 67809385, 203428155]

約数ペア:

[(1, 203428155), (3, 67809385), (5, 40685631), (7, 29061165), (15, 13561877), (19, 10706745), (21, 9687055), (35, 5812233), (49, 4151595), (57, 3568915), (95, 2141349), (105, 1937411), (133, 1529535), (147, 1383865), (245, 830319), (285, 713783), (343, 593085), (399, 509845), (665, 305907), (735, 276773), (931, 218505), (1029, 197695), (1715, 118617), (1995, 101969), (2081, 97755), (2793, 72835), (4655, 43701), (5145, 39539), (6243, 32585), (6517, 31215), (10405, 19551), (13965, 14567)]