28358421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 47013120

約数和(自身を除く): 18654699

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 953, 1417, 2289, 2859, 4251, 6671, 9919, 12389, 20013, 29757, 37167, 86723, 103877, 260169, 311631, 727139, 1350401, 2181417, 4051203, 9452807, 28358421]

約数ペア:

[(1, 28358421), (3, 9452807), (7, 4051203), (13, 2181417), (21, 1350401), (39, 727139), (91, 311631), (109, 260169), (273, 103877), (327, 86723), (763, 37167), (953, 29757), (1417, 20013), (2289, 12389), (2859, 9919), (4251, 6671)]