668996835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{201809}}^1$

素因数の和:201847

約数の個数: 32

約数和(自身を含む): 1220546880

約数和(自身を除く): 551550045

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 201809, 605427, 1009045, 2623517, 3027135, 3430753, 7870551, 10292259, 13117585, 17153765, 39352755, 44599789, 51461295, 133799367, 222998945, 668996835]

約数ペア:

[(1, 668996835), (3, 222998945), (5, 133799367), (13, 51461295), (15, 44599789), (17, 39352755), (39, 17153765), (51, 13117585), (65, 10292259), (85, 7870551), (195, 3430753), (221, 3027135), (255, 2623517), (663, 1009045), (1105, 605427), (3315, 201809)]