25028205

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 41361408

約数和(自身を除く): 16333203

約数列:

[1, 3, 5, 15, 47, 131, 141, 235, 271, 393, 655, 705, 813, 1355, 1965, 4065, 6157, 12737, 18471, 30785, 35501, 38211, 63685, 92355, 106503, 177505, 191055, 532515, 1668547, 5005641, 8342735, 25028205]

約数ペア:

[(1, 25028205), (3, 8342735), (5, 5005641), (15, 1668547), (47, 532515), (131, 191055), (141, 177505), (235, 106503), (271, 92355), (393, 63685), (655, 38211), (705, 35501), (813, 30785), (1355, 18471), (1965, 12737), (4065, 6157)]