47478921

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{28619}}^1$

素因数の和:28708

約数の個数: 16

約数和(自身を含む): 73267200

約数和(自身を除く): 25788279

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 28619, 85857, 200333, 600999, 2260901, 6782703, 15826307, 47478921]

約数ペア:

[(1, 47478921), (3, 15826307), (7, 6782703), (21, 2260901), (79, 600999), (237, 200333), (553, 85857), (1659, 28619)]