2858778825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{877}}^1\times {\mathrm{887}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 5510665152

約数和(自身を除く): 2651886327

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 877, 887, 1225, 2631, 2661, 3675, 4385, 4435, 6139, 6209, 13155, 13305, 18417, 18627, 21925, 22175, 30695, 31045, 42973, 43463, 65775, 66525, 92085, 93135, 128919, 130389, 153475, 155225, 214865, 217315, 460425, 465675, 644595, 651945, 777899, 1074325, 1086575, 2333697, 3222975, 3259725, 3889495, 5445293, 11668485, 16335879, 19447475, 27226465, 38117051, 58342425, 81679395, 114351153, 136132325, 190585255, 408396975, 571755765, 952926275, 2858778825]

約数ペア:

[(1, 2858778825), (3, 952926275), (5, 571755765), (7, 408396975), (15, 190585255), (21, 136132325), (25, 114351153), (35, 81679395), (49, 58342425), (75, 38117051), (105, 27226465), (147, 19447475), (175, 16335879), (245, 11668485), (525, 5445293), (735, 3889495), (877, 3259725), (887, 3222975), (1225, 2333697), (2631, 1086575), (2661, 1074325), (3675, 777899), (4385, 651945), (4435, 644595), (6139, 465675), (6209, 460425), (13155, 217315), (13305, 214865), (18417, 155225), (18627, 153475), (21925, 130389), (22175, 128919), (30695, 93135), (31045, 92085), (42973, 66525), (43463, 65775)]