78390195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2221}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 135879744

約数和(自身を除く): 57489549

約数列:

[1, 3, 5, 13, 15, 39, 65, 181, 195, 543, 905, 2221, 2353, 2715, 6663, 7059, 11105, 11765, 28873, 33315, 35295, 86619, 144365, 402001, 433095, 1206003, 2010005, 5226013, 6030015, 15678039, 26130065, 78390195]

約数ペア:

[(1, 78390195), (3, 26130065), (5, 15678039), (13, 6030015), (15, 5226013), (39, 2010005), (65, 1206003), (181, 433095), (195, 402001), (543, 144365), (905, 86619), (2221, 35295), (2353, 33315), (2715, 28873), (6663, 11765), (7059, 11105)]