1648647

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 64

約数和(自身を含む): 3333120

約数和(自身を除く): 1684473

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 61, 63, 77, 91, 99, 117, 143, 183, 189, 231, 273, 297, 351, 427, 429, 549, 671, 693, 793, 819, 1001, 1281, 1287, 1647, 2013, 2079, 2379, 2457, 3003, 3843, 3861, 4697, 5551, 6039, 7137, 8723, 9009, 11529, 14091, 16653, 18117, 21411, 26169, 27027, 42273, 49959, 61061, 78507, 126819, 149877, 183183, 235521, 549549, 1648647]

約数ペア:

[(1, 1648647), (3, 549549), (7, 235521), (9, 183183), (11, 149877), (13, 126819), (21, 78507), (27, 61061), (33, 49959), (39, 42273), (61, 27027), (63, 26169), (77, 21411), (91, 18117), (99, 16653), (117, 14091), (143, 11529), (183, 9009), (189, 8723), (231, 7137), (273, 6039), (297, 5551), (351, 4697), (427, 3861), (429, 3843), (549, 3003), (671, 2457), (693, 2379), (793, 2079), (819, 2013), (1001, 1647), (1281, 1287)]