213278109

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 323063808

約数和(自身を除く): 109785699

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 1331, 1723, 3751, 3993, 5169, 11253, 18953, 41261, 53413, 56859, 123783, 160239, 208483, 587543, 625449, 1762629, 2293313, 6462973, 6879939, 19388919, 71092703, 213278109]

約数ペア:

[(1, 213278109), (3, 71092703), (11, 19388919), (31, 6879939), (33, 6462973), (93, 2293313), (121, 1762629), (341, 625449), (363, 587543), (1023, 208483), (1331, 160239), (1723, 123783), (3751, 56859), (3993, 53413), (5169, 41261), (11253, 18953)]