28696221

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 16836579

約数列:

[1, 3, 9, 17, 27, 51, 101, 153, 303, 459, 619, 909, 1717, 1857, 2727, 5151, 5571, 10523, 15453, 16713, 31569, 46359, 62519, 94707, 187557, 284121, 562671, 1062823, 1688013, 3188469, 9565407, 28696221]

約数ペア:

[(1, 28696221), (3, 9565407), (9, 3188469), (17, 1688013), (27, 1062823), (51, 562671), (101, 284121), (153, 187557), (303, 94707), (459, 62519), (619, 46359), (909, 31569), (1717, 16713), (1857, 15453), (2727, 10523), (5151, 5571)]