7940385

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 14938560

約数和(自身を除く): 6998175

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 251, 285, 333, 555, 703, 753, 855, 1255, 1665, 2109, 2259, 3515, 3765, 4769, 6327, 9287, 10545, 11295, 14307, 23845, 27861, 31635, 42921, 46435, 71535, 83583, 139305, 176453, 214605, 417915, 529359, 882265, 1588077, 2646795, 7940385]

約数ペア:

[(1, 7940385), (3, 2646795), (5, 1588077), (9, 882265), (15, 529359), (19, 417915), (37, 214605), (45, 176453), (57, 139305), (95, 83583), (111, 71535), (171, 46435), (185, 42921), (251, 31635), (285, 27861), (333, 23845), (555, 14307), (703, 11295), (753, 10545), (855, 9287), (1255, 6327), (1665, 4769), (2109, 3765), (2259, 3515)]