40542747

素因数分解:

$3^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 63133200

約数和(自身を除く): 22590453

約数列:

[1, 3, 7, 21, 49, 147, 389, 709, 1167, 2127, 2723, 4963, 8169, 14889, 19061, 34741, 57183, 104223, 275801, 827403, 1930607, 5791821, 13514249, 40542747]

約数ペア:

[(1, 40542747), (3, 13514249), (7, 5791821), (21, 1930607), (49, 827403), (147, 275801), (389, 104223), (709, 57183), (1167, 34741), (2127, 19061), (2723, 14889), (4963, 8169)]