204070545

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4915

約数の個数: 72

約数和(自身を含む): 433218240

約数和(自身を除く): 229147695

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1995, 2205, 2793, 4655, 4871, 5985, 8379, 13965, 14613, 24355, 34097, 41895, 43839, 73065, 92549, 102291, 170485, 219195, 238679, 277647, 306873, 462745, 511455, 647843, 716037, 832941, 1193395, 1388235, 1534365, 1943529, 2148111, 3239215, 3580185, 4164705, 4534901, 5830587, 9717645, 10740555, 13604703, 22674505, 29152935, 40814109, 68023515, 204070545]

約数ペア:

[(1, 204070545), (3, 68023515), (5, 40814109), (7, 29152935), (9, 22674505), (15, 13604703), (19, 10740555), (21, 9717645), (35, 5830587), (45, 4534901), (49, 4164705), (57, 3580185), (63, 3239215), (95, 2148111), (105, 1943529), (133, 1534365), (147, 1388235), (171, 1193395), (245, 832941), (285, 716037), (315, 647843), (399, 511455), (441, 462745), (665, 306873), (735, 277647), (855, 238679), (931, 219195), (1197, 170485), (1995, 102291), (2205, 92549), (2793, 73065), (4655, 43839), (4871, 41895), (5985, 34097), (8379, 24355), (13965, 14613)]