30898021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 40538880

約数和(自身を除く): 9640859

約数列:

[1, 7, 11, 29, 77, 101, 137, 203, 319, 707, 959, 1111, 1507, 2233, 2929, 3973, 7777, 10549, 13837, 20503, 27811, 32219, 43703, 96859, 152207, 225533, 305921, 401273, 1065449, 2808911, 4414003, 30898021]

約数ペア:

[(1, 30898021), (7, 4414003), (11, 2808911), (29, 1065449), (77, 401273), (101, 305921), (137, 225533), (203, 152207), (319, 96859), (707, 43703), (959, 32219), (1111, 27811), (1507, 20503), (2233, 13837), (2929, 10549), (3973, 7777)]