2730455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 4281984

約数和(自身を除く): 1551529

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 353, 455, 595, 1105, 1547, 1765, 2471, 4589, 6001, 7735, 12355, 22945, 30005, 32123, 42007, 78013, 160615, 210035, 390065, 546091, 2730455]

約数ペア:

[(1, 2730455), (5, 546091), (7, 390065), (13, 210035), (17, 160615), (35, 78013), (65, 42007), (85, 32123), (91, 30005), (119, 22945), (221, 12355), (353, 7735), (455, 6001), (595, 4589), (1105, 2471), (1547, 1765)]