215792213

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 270547200

約数和(自身を除く): 54754987

約数列:

[1, 7, 13, 79, 91, 169, 553, 1027, 1183, 2309, 7189, 13351, 16163, 30017, 93457, 182411, 210119, 390221, 1276877, 2371343, 2731547, 16599401, 30827459, 215792213]

約数ペア:

[(1, 215792213), (7, 30827459), (13, 16599401), (79, 2731547), (91, 2371343), (169, 1276877), (553, 390221), (1027, 210119), (1183, 182411), (2309, 93457), (7189, 30017), (13351, 16163)]