64476405

素因数分解:

$3^6\times 5^1\times 7^2\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 126

約数和(自身を含む): 142420086

約数和(自身を除く): 77943681

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 49, 57, 63, 81, 95, 105, 133, 135, 147, 171, 189, 243, 245, 285, 315, 361, 399, 405, 441, 513, 567, 665, 729, 735, 855, 931, 945, 1083, 1197, 1215, 1323, 1539, 1701, 1805, 1995, 2205, 2527, 2565, 2793, 2835, 3249, 3591, 3645, 3969, 4617, 4655, 5103, 5415, 5985, 6615, 7581, 7695, 8379, 8505, 9747, 10773, 11907, 12635, 13851, 13965, 16245, 17689, 17955, 19845, 22743, 23085, 25137, 25515, 29241, 32319, 35721, 37905, 41895, 48735, 53067, 53865, 59535, 68229, 69255, 75411, 87723, 88445, 96957, 113715, 125685, 146205, 159201, 161595, 178605, 204687, 226233, 263169, 265335, 341145, 377055, 438615, 477603, 484785, 614061, 678699, 796005, 1023435, 1131165, 1315845, 1432809, 1842183, 2388015, 3070305, 3393495, 4298427, 7164045, 9210915, 12895281, 21492135, 64476405]

約数ペア:

[(1, 64476405), (3, 21492135), (5, 12895281), (7, 9210915), (9, 7164045), (15, 4298427), (19, 3393495), (21, 3070305), (27, 2388015), (35, 1842183), (45, 1432809), (49, 1315845), (57, 1131165), (63, 1023435), (81, 796005), (95, 678699), (105, 614061), (133, 484785), (135, 477603), (147, 438615), (171, 377055), (189, 341145), (243, 265335), (245, 263169), (285, 226233), (315, 204687), (361, 178605), (399, 161595), (405, 159201), (441, 146205), (513, 125685), (567, 113715), (665, 96957), (729, 88445), (735, 87723), (855, 75411), (931, 69255), (945, 68229), (1083, 59535), (1197, 53865), (1215, 53067), (1323, 48735), (1539, 41895), (1701, 37905), (1805, 35721), (1995, 32319), (2205, 29241), (2527, 25515), (2565, 25137), (2793, 23085), (2835, 22743), (3249, 19845), (3591, 17955), (3645, 17689), (3969, 16245), (4617, 13965), (4655, 13851), (5103, 12635), (5415, 11907), (5985, 10773), (6615, 9747), (7581, 8505), (7695, 8379)]