30691821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 15434259

約数列:

[1, 3, 19, 23, 41, 57, 69, 123, 437, 571, 779, 943, 1311, 1713, 2337, 2829, 10849, 13133, 17917, 23411, 32547, 39399, 53751, 70233, 249527, 444809, 538453, 748581, 1334427, 1615359, 10230607, 30691821]

約数ペア:

[(1, 30691821), (3, 10230607), (19, 1615359), (23, 1334427), (41, 748581), (57, 538453), (69, 444809), (123, 249527), (437, 70233), (571, 53751), (779, 39399), (943, 32547), (1311, 23411), (1713, 17917), (2337, 13133), (2829, 10849)]