42290871

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 66777600

約数和(自身を除く): 24486729

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 511, 563, 1029, 1533, 1689, 3577, 3941, 10731, 11823, 25039, 27587, 41099, 75117, 82761, 123297, 193109, 287693, 579327, 863079, 2013851, 6041553, 14096957, 42290871]

約数ペア:

[(1, 42290871), (3, 14096957), (7, 6041553), (21, 2013851), (49, 863079), (73, 579327), (147, 287693), (219, 193109), (343, 123297), (511, 82761), (563, 75117), (1029, 41099), (1533, 27587), (1689, 25039), (3577, 11823), (3941, 10731)]