31268655

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 59623200

約数和(自身を除く): 28354545

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 181, 349, 495, 543, 905, 1047, 1629, 1745, 1991, 2715, 3141, 3839, 5235, 5973, 8145, 9955, 11517, 15705, 17919, 19195, 29865, 34551, 57585, 63169, 89595, 172755, 189507, 315845, 568521, 694859, 947535, 2084577, 2842605, 3474295, 6253731, 10422885, 31268655]

約数ペア:

[(1, 31268655), (3, 10422885), (5, 6253731), (9, 3474295), (11, 2842605), (15, 2084577), (33, 947535), (45, 694859), (55, 568521), (99, 315845), (165, 189507), (181, 172755), (349, 89595), (495, 63169), (543, 57585), (905, 34551), (1047, 29865), (1629, 19195), (1745, 17919), (1991, 15705), (2715, 11517), (3141, 9955), (3839, 8145), (5235, 5973)]