15078231

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 27312120

約数和(自身を除く): 12233889

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 131, 147, 189, 203, 261, 393, 441, 567, 609, 783, 917, 1179, 1323, 1421, 1827, 2349, 2751, 3537, 3799, 3969, 4263, 5481, 6419, 8253, 10611, 11397, 12789, 16443, 19257, 24759, 26593, 34191, 38367, 57771, 74277, 79779, 102573, 115101, 173313, 186151, 239337, 307719, 519939, 558453, 718011, 1675359, 2154033, 5026077, 15078231]

約数ペア:

[(1, 15078231), (3, 5026077), (7, 2154033), (9, 1675359), (21, 718011), (27, 558453), (29, 519939), (49, 307719), (63, 239337), (81, 186151), (87, 173313), (131, 115101), (147, 102573), (189, 79779), (203, 74277), (261, 57771), (393, 38367), (441, 34191), (567, 26593), (609, 24759), (783, 19257), (917, 16443), (1179, 12789), (1323, 11397), (1421, 10611), (1827, 8253), (2349, 6419), (2751, 5481), (3537, 4263), (3799, 3969)]