64621209

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{1399}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 87696000

約数和(自身を除く): 23074791

約数列:

[1, 3, 89, 173, 267, 519, 1399, 4197, 15397, 46191, 124511, 242027, 373533, 726081, 21540403, 64621209]

約数ペア:

[(1, 64621209), (3, 21540403), (89, 726081), (173, 373533), (267, 242027), (519, 124511), (1399, 46191), (4197, 15397)]