12758421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 19192320

約数和(自身を除く): 6433899

約数列:

[1, 3, 13, 39, 41, 79, 101, 123, 237, 303, 533, 1027, 1313, 1599, 3081, 3239, 3939, 4141, 7979, 9717, 12423, 23937, 42107, 53833, 103727, 126321, 161499, 311181, 327139, 981417, 4252807, 12758421]

約数ペア:

[(1, 12758421), (3, 4252807), (13, 981417), (39, 327139), (41, 311181), (79, 161499), (101, 126321), (123, 103727), (237, 53833), (303, 42107), (533, 23937), (1027, 12423), (1313, 9717), (1599, 7979), (3081, 4141), (3239, 3939)]