210820155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3767}}^1$

素因数の和:3836

約数の個数: 64

約数和(自身を含む): 425392128

約数和(自身を除く): 214571973

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 41, 65, 91, 105, 123, 195, 205, 273, 287, 455, 533, 615, 861, 1365, 1435, 1599, 2665, 3731, 3767, 4305, 7995, 11193, 11301, 18655, 18835, 26369, 48971, 55965, 56505, 79107, 131845, 146913, 154447, 244855, 342797, 395535, 463341, 734565, 772235, 1028391, 1081129, 1713985, 2007811, 2316705, 3243387, 5141955, 5405645, 6023433, 10039055, 14054677, 16216935, 30117165, 42164031, 70273385, 210820155]

約数ペア:

[(1, 210820155), (3, 70273385), (5, 42164031), (7, 30117165), (13, 16216935), (15, 14054677), (21, 10039055), (35, 6023433), (39, 5405645), (41, 5141955), (65, 3243387), (91, 2316705), (105, 2007811), (123, 1713985), (195, 1081129), (205, 1028391), (273, 772235), (287, 734565), (455, 463341), (533, 395535), (615, 342797), (861, 244855), (1365, 154447), (1435, 146913), (1599, 131845), (2665, 79107), (3731, 56505), (3767, 55965), (4305, 48971), (7995, 26369), (11193, 18835), (11301, 18655)]