18164295

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 15531705

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 449, 465, 899, 1305, 1347, 1395, 2245, 2697, 4041, 4495, 6735, 8091, 13021, 13485, 13919, 20205, 39063, 40455, 41757, 65105, 69595, 117189, 125271, 195315, 208785, 403651, 585945, 626355, 1210953, 2018255, 3632859, 6054765, 18164295]

約数ペア:

[(1, 18164295), (3, 6054765), (5, 3632859), (9, 2018255), (15, 1210953), (29, 626355), (31, 585945), (45, 403651), (87, 208785), (93, 195315), (145, 125271), (155, 117189), (261, 69595), (279, 65105), (435, 41757), (449, 40455), (465, 39063), (899, 20205), (1305, 13919), (1347, 13485), (1395, 13021), (2245, 8091), (2697, 6735), (4041, 4495)]