31975515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4969}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 65126880

約数和(自身を除く): 33151365

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 4969, 6435, 14907, 24845, 44721, 54659, 64597, 74535, 163977, 193791, 223605, 273295, 322985, 491931, 581373, 710567, 819885, 968955, 2131701, 2459655, 2906865, 3552835, 6395103, 10658505, 31975515]

約数ペア:

[(1, 31975515), (3, 10658505), (5, 6395103), (9, 3552835), (11, 2906865), (13, 2459655), (15, 2131701), (33, 968955), (39, 819885), (45, 710567), (55, 581373), (65, 491931), (99, 322985), (117, 273295), (143, 223605), (165, 193791), (195, 163977), (429, 74535), (495, 64597), (585, 54659), (715, 44721), (1287, 24845), (2145, 14907), (4969, 6435)]