195580515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7321}}^1$

素因数の和:7479

約数の個数: 32

約数和(自身を含む): 339506496

約数和(自身を除く): 143925981

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 7321, 8905, 21963, 26715, 36605, 95173, 109815, 285519, 475865, 1002977, 1427595, 3008931, 5014885, 13038701, 15044655, 39116103, 65193505, 195580515]

約数ペア:

[(1, 195580515), (3, 65193505), (5, 39116103), (13, 15044655), (15, 13038701), (39, 5014885), (65, 3008931), (137, 1427595), (195, 1002977), (411, 475865), (685, 285519), (1781, 109815), (2055, 95173), (5343, 36605), (7321, 26715), (8905, 21963)]