81969525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{33119}}^1$

素因数の和:33146

約数の個数: 36

約数和(自身を含む): 160168320

約数和(自身を除く): 78198795

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 33119, 99357, 165595, 298071, 364309, 496785, 827975, 1092927, 1490355, 1821545, 2483925, 3278781, 5464635, 7451775, 9107725, 16393905, 27323175, 81969525]

約数ペア:

[(1, 81969525), (3, 27323175), (5, 16393905), (9, 9107725), (11, 7451775), (15, 5464635), (25, 3278781), (33, 2483925), (45, 1821545), (55, 1490355), (75, 1092927), (99, 827975), (165, 496785), (225, 364309), (275, 298071), (495, 165595), (825, 99357), (2475, 33119)]