1639638

素因数分解:

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

素因数の和:59

約数の個数: 108

約数和(自身を含む): 4881708

約数和(自身を除く): 3242070

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 49, 63, 66, 77, 78, 91, 98, 99, 117, 126, 143, 147, 154, 169, 182, 198, 231, 234, 273, 286, 294, 338, 429, 441, 462, 507, 539, 546, 637, 693, 819, 858, 882, 1001, 1014, 1078, 1183, 1274, 1287, 1386, 1521, 1617, 1638, 1859, 1911, 2002, 2366, 2574, 3003, 3042, 3234, 3549, 3718, 3822, 4851, 5577, 5733, 6006, 7007, 7098, 8281, 9009, 9702, 10647, 11154, 11466, 13013, 14014, 16562, 16731, 18018, 21021, 21294, 24843, 26026, 33462, 39039, 42042, 49686, 63063, 74529, 78078, 91091, 117117, 126126, 149058, 182182, 234234, 273273, 546546, 819819, 1639638]

約数ペア:

[(1, 1639638), (2, 819819), (3, 546546), (6, 273273), (7, 234234), (9, 182182), (11, 149058), (13, 126126), (14, 117117), (18, 91091), (21, 78078), (22, 74529), (26, 63063), (33, 49686), (39, 42042), (42, 39039), (49, 33462), (63, 26026), (66, 24843), (77, 21294), (78, 21021), (91, 18018), (98, 16731), (99, 16562), (117, 14014), (126, 13013), (143, 11466), (147, 11154), (154, 10647), (169, 9702), (182, 9009), (198, 8281), (231, 7098), (234, 7007), (273, 6006), (286, 5733), (294, 5577), (338, 4851), (429, 3822), (441, 3718), (462, 3549), (507, 3234), (539, 3042), (546, 3003), (637, 2574), (693, 2366), (819, 2002), (858, 1911), (882, 1859), (1001, 1638), (1014, 1617), (1078, 1521), (1183, 1386), (1274, 1287)]