18275895

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 36679680

約数和(自身を除く): 18403785

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 397, 465, 495, 837, 1023, 1191, 1395, 1485, 1705, 1985, 3069, 3573, 4185, 4367, 5115, 5955, 9207, 10719, 12307, 13101, 15345, 17865, 21835, 36921, 39303, 46035, 53595, 61535, 65505, 110763, 117909, 135377, 184605, 196515, 332289, 406131, 553815, 589545, 676885, 1218393, 1661445, 2030655, 3655179, 6091965, 18275895]

約数ペア:

[(1, 18275895), (3, 6091965), (5, 3655179), (9, 2030655), (11, 1661445), (15, 1218393), (27, 676885), (31, 589545), (33, 553815), (45, 406131), (55, 332289), (93, 196515), (99, 184605), (135, 135377), (155, 117909), (165, 110763), (279, 65505), (297, 61535), (341, 53595), (397, 46035), (465, 39303), (495, 36921), (837, 21835), (1023, 17865), (1191, 15345), (1395, 13101), (1485, 12307), (1705, 10719), (1985, 9207), (3069, 5955), (3573, 5115), (4185, 4367)]