16530339

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 26256384

約数和(自身を除く): 9726045

約数列:

[1, 3, 7, 21, 41, 73, 123, 219, 263, 287, 511, 789, 861, 1533, 1841, 2993, 5523, 8979, 10783, 19199, 20951, 32349, 57597, 62853, 75481, 134393, 226443, 403179, 787159, 2361477, 5510113, 16530339]

約数ペア:

[(1, 16530339), (3, 5510113), (7, 2361477), (21, 787159), (41, 403179), (73, 226443), (123, 134393), (219, 75481), (263, 62853), (287, 57597), (511, 32349), (789, 20951), (861, 19199), (1533, 10783), (1841, 8979), (2993, 5523)]