30978189

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 52715520

約数和(自身を除く): 21737331

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 129, 171, 209, 383, 387, 473, 627, 817, 1149, 1419, 1881, 2451, 3447, 4213, 4257, 7277, 7353, 8987, 12639, 16469, 21831, 26961, 37917, 49407, 65493, 80047, 80883, 148221, 181159, 240141, 312911, 543477, 720423, 938733, 1630431, 2816199, 3442021, 10326063, 30978189]

約数ペア:

[(1, 30978189), (3, 10326063), (9, 3442021), (11, 2816199), (19, 1630431), (33, 938733), (43, 720423), (57, 543477), (99, 312911), (129, 240141), (171, 181159), (209, 148221), (383, 80883), (387, 80047), (473, 65493), (627, 49407), (817, 37917), (1149, 26961), (1419, 21831), (1881, 16469), (2451, 12639), (3447, 8987), (4213, 7353), (4257, 7277)]