13217925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 26462592

約数和(自身を除く): 13244667

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1481, 1785, 2975, 4443, 7405, 8925, 10367, 22215, 25177, 31101, 37025, 51835, 75531, 111075, 125885, 155505, 176239, 259175, 377655, 528717, 629425, 777525, 881195, 1888275, 2643585, 4405975, 13217925]

約数ペア:

[(1, 13217925), (3, 4405975), (5, 2643585), (7, 1888275), (15, 881195), (17, 777525), (21, 629425), (25, 528717), (35, 377655), (51, 259175), (75, 176239), (85, 155505), (105, 125885), (119, 111075), (175, 75531), (255, 51835), (357, 37025), (425, 31101), (525, 25177), (595, 22215), (1275, 10367), (1481, 8925), (1785, 7405), (2975, 4443)]