201553539

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 309692160

約数和(自身を除く): 108138621

約数列:

[1, 3, 11, 19, 33, 57, 209, 521, 617, 627, 1563, 1851, 5731, 6787, 9899, 11723, 17193, 20361, 29697, 35169, 108889, 128953, 321457, 326667, 386859, 964371, 3536027, 6107683, 10608081, 18323049, 67184513, 201553539]

約数ペア:

[(1, 201553539), (3, 67184513), (11, 18323049), (19, 10608081), (33, 6107683), (57, 3536027), (209, 964371), (521, 386859), (617, 326667), (627, 321457), (1563, 128953), (1851, 108889), (5731, 35169), (6787, 29697), (9899, 20361), (11723, 17193)]