83081715

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 135862272

約数和(自身を除く): 52780557

約数列:

[1, 3, 5, 15, 71, 181, 213, 355, 431, 543, 905, 1065, 1293, 2155, 2715, 6465, 12851, 30601, 38553, 64255, 78011, 91803, 153005, 192765, 234033, 390055, 459015, 1170165, 5538781, 16616343, 27693905, 83081715]

約数ペア:

[(1, 83081715), (3, 27693905), (5, 16616343), (15, 5538781), (71, 1170165), (181, 459015), (213, 390055), (355, 234033), (431, 192765), (543, 153005), (905, 91803), (1065, 78011), (1293, 64255), (2155, 38553), (2715, 30601), (6465, 12851)]