42125223

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 68567040

約数和(自身を除く): 26441817

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1487, 1491, 4047, 4461, 9443, 10409, 28253, 28329, 31227, 84759, 105577, 197771, 316731, 593313, 739039, 2005963, 2217117, 6017889, 14041741, 42125223]

約数ペア:

[(1, 42125223), (3, 14041741), (7, 6017889), (19, 2217117), (21, 2005963), (57, 739039), (71, 593313), (133, 316731), (213, 197771), (399, 105577), (497, 84759), (1349, 31227), (1487, 28329), (1491, 28253), (4047, 10409), (4461, 9443)]