16195545

素因数分解:

$3^4\times 5^1\times {\mathrm{39989}}^1$

素因数の和:40006

約数の個数: 20

約数和(自身を含む): 29032740

約数和(自身を除く): 12837195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39989, 119967, 199945, 359901, 599835, 1079703, 1799505, 3239109, 5398515, 16195545]

約数ペア:

[(1, 16195545), (3, 5398515), (5, 3239109), (9, 1799505), (15, 1079703), (27, 599835), (45, 359901), (81, 199945), (135, 119967), (405, 39989)]