388617777

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3331}}^1$

素因数の和:3518

約数の個数: 32

約数和(自身を含む): 599760000

約数和(自身を除く): 211142223

約数列:

[1, 3, 9, 27, 29, 87, 149, 261, 447, 783, 1341, 3331, 4023, 4321, 9993, 12963, 29979, 38889, 89937, 96599, 116667, 289797, 496319, 869391, 1488957, 2608173, 4466871, 13400613, 14393251, 43179753, 129539259, 388617777]

約数ペア:

[(1, 388617777), (3, 129539259), (9, 43179753), (27, 14393251), (29, 13400613), (87, 4466871), (149, 2608173), (261, 1488957), (447, 869391), (783, 496319), (1341, 289797), (3331, 116667), (4023, 96599), (4321, 89937), (9993, 38889), (12963, 29979)]