819819

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:57

約数の個数: 54

約数和(自身を含む): 1627236

約数和(自身を除く): 807417

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 117, 143, 147, 169, 231, 273, 429, 441, 507, 539, 637, 693, 819, 1001, 1183, 1287, 1521, 1617, 1859, 1911, 3003, 3549, 4851, 5577, 5733, 7007, 8281, 9009, 10647, 13013, 16731, 21021, 24843, 39039, 63063, 74529, 91091, 117117, 273273, 819819]

約数ペア:

[(1, 819819), (3, 273273), (7, 117117), (9, 91091), (11, 74529), (13, 63063), (21, 39039), (33, 24843), (39, 21021), (49, 16731), (63, 13013), (77, 10647), (91, 9009), (99, 8281), (117, 7007), (143, 5733), (147, 5577), (169, 4851), (231, 3549), (273, 3003), (429, 1911), (441, 1859), (507, 1617), (539, 1521), (637, 1287), (693, 1183), (819, 1001)]