16828209

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 9091791

約数列:

[1, 3, 9, 27, 47, 89, 141, 149, 267, 423, 447, 801, 1269, 1341, 2403, 4023, 4183, 7003, 12549, 13261, 21009, 37647, 39783, 63027, 112941, 119349, 189081, 358047, 623267, 1869801, 5609403, 16828209]

約数ペア:

[(1, 16828209), (3, 5609403), (9, 1869801), (27, 623267), (47, 358047), (89, 189081), (141, 119349), (149, 112941), (267, 63027), (423, 39783), (447, 37647), (801, 21009), (1269, 13261), (1341, 12549), (2403, 7003), (4023, 4183)]