312785613

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 528736000

約数和(自身を除く): 215950387

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 199, 409, 427, 549, 597, 1227, 1281, 1393, 1791, 2863, 3681, 3843, 4179, 8589, 12139, 12537, 24949, 25767, 36417, 74847, 81391, 84973, 109251, 174643, 224541, 244173, 254919, 523929, 569737, 732519, 764757, 1571787, 1709211, 4964851, 5127633, 14894553, 34753957, 44683659, 104261871, 312785613]

約数ペア:

[(1, 312785613), (3, 104261871), (7, 44683659), (9, 34753957), (21, 14894553), (61, 5127633), (63, 4964851), (183, 1709211), (199, 1571787), (409, 764757), (427, 732519), (549, 569737), (597, 523929), (1227, 254919), (1281, 244173), (1393, 224541), (1791, 174643), (2863, 109251), (3681, 84973), (3843, 81391), (4179, 74847), (8589, 36417), (12139, 25767), (12537, 24949)]