212345847

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 374707200

約数和(自身を除く): 162361353

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 67, 123, 189, 201, 287, 369, 409, 469, 603, 861, 1107, 1227, 1407, 1809, 2583, 2747, 2863, 3681, 4221, 7749, 8241, 8589, 11043, 12663, 16769, 19229, 24723, 25767, 27403, 50307, 57687, 74169, 77301, 82209, 117383, 150921, 173061, 191821, 246627, 352149, 452763, 519183, 575463, 739881, 1056447, 1123523, 1726389, 3169341, 3370569, 5179167, 7864661, 10111707, 23593983, 30335121, 70781949, 212345847]

約数ペア:

[(1, 212345847), (3, 70781949), (7, 30335121), (9, 23593983), (21, 10111707), (27, 7864661), (41, 5179167), (63, 3370569), (67, 3169341), (123, 1726389), (189, 1123523), (201, 1056447), (287, 739881), (369, 575463), (409, 519183), (469, 452763), (603, 352149), (861, 246627), (1107, 191821), (1227, 173061), (1407, 150921), (1809, 117383), (2583, 82209), (2747, 77301), (2863, 74169), (3681, 57687), (4221, 50307), (7749, 27403), (8241, 25767), (8589, 24723), (11043, 19229), (12663, 16769)]