253638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 714240

約数和(自身を除く): 460602

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 61, 63, 66, 77, 99, 122, 126, 154, 183, 189, 198, 231, 297, 366, 378, 427, 462, 549, 594, 671, 693, 854, 1098, 1281, 1342, 1386, 1647, 2013, 2079, 2562, 3294, 3843, 4026, 4158, 4697, 6039, 7686, 9394, 11529, 12078, 14091, 18117, 23058, 28182, 36234, 42273, 84546, 126819, 253638]

約数ペア:

[(1, 253638), (2, 126819), (3, 84546), (6, 42273), (7, 36234), (9, 28182), (11, 23058), (14, 18117), (18, 14091), (21, 12078), (22, 11529), (27, 9394), (33, 7686), (42, 6039), (54, 4697), (61, 4158), (63, 4026), (66, 3843), (77, 3294), (99, 2562), (122, 2079), (126, 2013), (154, 1647), (183, 1386), (189, 1342), (198, 1281), (231, 1098), (297, 854), (366, 693), (378, 671), (427, 594), (462, 549)]