217872675

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{42101}}^1$

素因数の和:42140

約数の個数: 36

約数和(自身を含む): 407210544

約数和(自身を除く): 189337869

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 42101, 126303, 210505, 378909, 631515, 968323, 1052525, 1894545, 2904969, 3157575, 4841615, 8714907, 9472725, 14524845, 24208075, 43574535, 72624225, 217872675]

約数ペア:

[(1, 217872675), (3, 72624225), (5, 43574535), (9, 24208075), (15, 14524845), (23, 9472725), (25, 8714907), (45, 4841615), (69, 3157575), (75, 2904969), (115, 1894545), (207, 1052525), (225, 968323), (345, 631515), (575, 378909), (1035, 210505), (1725, 126303), (5175, 42101)]