221036361

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13723}}^1$

素因数の和:13805

約数の個数: 32

約数和(自身を含む): 368901120

約数和(自身を除く): 147864759

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 2301, 5369, 13723, 16107, 41169, 96061, 178399, 288183, 535197, 809657, 1248793, 2428971, 3746379, 5667599, 10525541, 17002797, 31576623, 73678787, 221036361]

約数ペア:

[(1, 221036361), (3, 73678787), (7, 31576623), (13, 17002797), (21, 10525541), (39, 5667599), (59, 3746379), (91, 2428971), (177, 1248793), (273, 809657), (413, 535197), (767, 288183), (1239, 178399), (2301, 96061), (5369, 41169), (13723, 16107)]