681870015

素因数分解:

$3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{11719}}^1$

素因数の和:12164

約数の個数: 32

約数和(自身を含む): 1215129600

約数和(自身を除く): 533259585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 431, 1293, 2155, 3879, 6465, 11637, 11719, 19395, 35157, 58185, 58595, 105471, 175785, 316413, 527355, 1582065, 5050889, 15152667, 25254445, 45458001, 75763335, 136374003, 227290005, 681870015]

約数ペア:

[(1, 681870015), (3, 227290005), (5, 136374003), (9, 75763335), (15, 45458001), (27, 25254445), (45, 15152667), (135, 5050889), (431, 1582065), (1293, 527355), (2155, 316413), (3879, 175785), (6465, 105471), (11637, 58595), (11719, 58185), (19395, 35157)]