28909743

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 39177600

約数和(自身を除く): 10267857

約数列:

[1, 3, 109, 211, 327, 419, 633, 1257, 22999, 45671, 68997, 88409, 137013, 265227, 9636581, 28909743]

約数ペア:

[(1, 28909743), (3, 9636581), (109, 265227), (211, 137013), (327, 88409), (419, 68997), (633, 45671), (1257, 22999)]