15097775

素因数分解:

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

素因数の和:93

約数の個数: 72

約数和(自身を含む): 25331712

約数和(自身を除く): 10233937

約数列:

[1, 5, 7, 11, 23, 25, 31, 35, 55, 77, 115, 121, 155, 161, 175, 217, 253, 275, 341, 385, 575, 605, 713, 775, 805, 847, 1085, 1265, 1705, 1771, 1925, 2387, 2783, 3025, 3565, 3751, 4025, 4235, 4991, 5425, 6325, 7843, 8525, 8855, 11935, 13915, 17825, 18755, 19481, 21175, 24955, 26257, 39215, 44275, 54901, 59675, 69575, 86273, 93775, 97405, 124775, 131285, 196075, 274505, 431365, 487025, 603911, 656425, 1372525, 2156825, 3019555, 15097775]

約数ペア:

[(1, 15097775), (5, 3019555), (7, 2156825), (11, 1372525), (23, 656425), (25, 603911), (31, 487025), (35, 431365), (55, 274505), (77, 196075), (115, 131285), (121, 124775), (155, 97405), (161, 93775), (175, 86273), (217, 69575), (253, 59675), (275, 54901), (341, 44275), (385, 39215), (575, 26257), (605, 24955), (713, 21175), (775, 19481), (805, 18755), (847, 17825), (1085, 13915), (1265, 11935), (1705, 8855), (1771, 8525), (1925, 7843), (2387, 6325), (2783, 5425), (3025, 4991), (3565, 4235), (3751, 4025)]