72315615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2851}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 123206400

約数和(自身を除く): 50890785

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1335, 1691, 2851, 5073, 8455, 8553, 14255, 25365, 42765, 54169, 162507, 253739, 270845, 761217, 812535, 1268695, 3806085, 4821041, 14463123, 24105205, 72315615]

約数ペア:

[(1, 72315615), (3, 24105205), (5, 14463123), (15, 4821041), (19, 3806085), (57, 1268695), (89, 812535), (95, 761217), (267, 270845), (285, 253739), (445, 162507), (1335, 54169), (1691, 42765), (2851, 25365), (5073, 14255), (8455, 8553)]