16708725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 33619872

約数和(自身を除く): 16911147

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 157, 165, 215, 225, 275, 387, 471, 473, 495, 645, 785, 825, 1075, 1413, 1419, 1727, 1935, 2355, 2365, 2475, 3225, 3925, 4257, 5181, 6751, 7065, 7095, 8635, 9675, 11775, 11825, 15543, 20253, 21285, 25905, 33755, 35325, 35475, 43175, 60759, 74261, 77715, 101265, 106425, 129525, 168775, 222783, 303795, 371305, 388575, 506325, 668349, 1113915, 1518975, 1856525, 3341745, 5569575, 16708725]

約数ペア:

[(1, 16708725), (3, 5569575), (5, 3341745), (9, 1856525), (11, 1518975), (15, 1113915), (25, 668349), (33, 506325), (43, 388575), (45, 371305), (55, 303795), (75, 222783), (99, 168775), (129, 129525), (157, 106425), (165, 101265), (215, 77715), (225, 74261), (275, 60759), (387, 43175), (471, 35475), (473, 35325), (495, 33755), (645, 25905), (785, 21285), (825, 20253), (1075, 15543), (1413, 11825), (1419, 11775), (1727, 9675), (1935, 8635), (2355, 7095), (2365, 7065), (2475, 6751), (3225, 5181), (3925, 4257)]