199520061

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 297443328

約数和(自身を除く): 97923267

約数列:

[1, 3, 13, 31, 39, 93, 227, 403, 681, 727, 1209, 2181, 2951, 7037, 8853, 9451, 21111, 22537, 28353, 67611, 91481, 165029, 274443, 292981, 495087, 878943, 2145377, 5115899, 6436131, 15347697, 66506687, 199520061]

約数ペア:

[(1, 199520061), (3, 66506687), (13, 15347697), (31, 6436131), (39, 5115899), (93, 2145377), (227, 878943), (403, 495087), (681, 292981), (727, 274443), (1209, 165029), (2181, 91481), (2951, 67611), (7037, 28353), (8853, 22537), (9451, 21111)]