1921535

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 3151872

約数和(自身を除く): 1230337

約数列:

[1, 5, 7, 11, 23, 31, 35, 49, 55, 77, 115, 155, 161, 217, 245, 253, 341, 385, 539, 713, 805, 1085, 1127, 1265, 1519, 1705, 1771, 2387, 2695, 3565, 4991, 5635, 7595, 7843, 8855, 11935, 12397, 16709, 24955, 34937, 39215, 54901, 61985, 83545, 174685, 274505, 384307, 1921535]

約数ペア:

[(1, 1921535), (5, 384307), (7, 274505), (11, 174685), (23, 83545), (31, 61985), (35, 54901), (49, 39215), (55, 34937), (77, 24955), (115, 16709), (155, 12397), (161, 11935), (217, 8855), (245, 7843), (253, 7595), (341, 5635), (385, 4991), (539, 3565), (713, 2695), (805, 2387), (1085, 1771), (1127, 1705), (1265, 1519)]