212210999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2099}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 287884800

約数和(自身を除く): 75673801

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 707, 1001, 1111, 1313, 2099, 7777, 9191, 14443, 14693, 23089, 27287, 101101, 161623, 191009, 211999, 300157, 1483993, 2101099, 2331989, 2755987, 16323923, 19291909, 30315857, 212210999]

約数ペア:

[(1, 212210999), (7, 30315857), (11, 19291909), (13, 16323923), (77, 2755987), (91, 2331989), (101, 2101099), (143, 1483993), (707, 300157), (1001, 211999), (1111, 191009), (1313, 161623), (2099, 101101), (7777, 27287), (9191, 23089), (14443, 14693)]