289019655

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{221471}}^1$

素因数の和:221511

約数の個数: 24

約数和(自身を含む): 518244480

約数和(自身を除く): 229224825

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 221471, 664413, 1107355, 1993239, 3322065, 6422659, 9966195, 19267977, 32113295, 57803931, 96339885, 289019655]

約数ペア:

[(1, 289019655), (3, 96339885), (5, 57803931), (9, 32113295), (15, 19267977), (29, 9966195), (45, 6422659), (87, 3322065), (145, 1993239), (261, 1107355), (435, 664413), (1305, 221471)]