258531609

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{6983}}^1$

素因数の和:7077

約数の個数: 32

約数和(自身を含む): 413005824

約数和(自身を除く): 154474215

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 861, 903, 1763, 5289, 6983, 12341, 20949, 37023, 48881, 146643, 286303, 300269, 858909, 900807, 2004121, 2101883, 6012363, 6305649, 12311029, 36933087, 86177203, 258531609]

約数ペア:

[(1, 258531609), (3, 86177203), (7, 36933087), (21, 12311029), (41, 6305649), (43, 6012363), (123, 2101883), (129, 2004121), (287, 900807), (301, 858909), (861, 300269), (903, 286303), (1763, 146643), (5289, 48881), (6983, 37023), (12341, 20949)]