19761975

素因数分解:

$3^5\times 5^2\times {\mathrm{3253}}^1$

素因数の和:3278

約数の個数: 36

約数和(自身を含む): 36718136

約数和(自身を除く): 16956161

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3253, 6075, 9759, 16265, 29277, 48795, 81325, 87831, 146385, 243975, 263493, 439155, 731925, 790479, 1317465, 2195775, 3952395, 6587325, 19761975]

約数ペア:

[(1, 19761975), (3, 6587325), (5, 3952395), (9, 2195775), (15, 1317465), (25, 790479), (27, 731925), (45, 439155), (75, 263493), (81, 243975), (135, 146385), (225, 87831), (243, 81325), (405, 48795), (675, 29277), (1215, 16265), (2025, 9759), (3253, 6075)]