869505

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^2$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 1756800

約数和(自身を除く): 887295

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 169, 195, 245, 273, 343, 455, 507, 637, 735, 845, 1029, 1183, 1365, 1715, 1911, 2535, 3185, 3549, 4459, 5145, 5915, 8281, 9555, 13377, 17745, 22295, 24843, 41405, 57967, 66885, 124215, 173901, 289835, 869505]

約数ペア:

[(1, 869505), (3, 289835), (5, 173901), (7, 124215), (13, 66885), (15, 57967), (21, 41405), (35, 24843), (39, 22295), (49, 17745), (65, 13377), (91, 9555), (105, 8281), (147, 5915), (169, 5145), (195, 4459), (245, 3549), (273, 3185), (343, 2535), (455, 1911), (507, 1715), (637, 1365), (735, 1183), (845, 1029)]