30253725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 27197955

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 53, 59, 75, 129, 159, 177, 215, 225, 265, 295, 387, 477, 531, 645, 795, 885, 1075, 1325, 1475, 1935, 2279, 2385, 2537, 2655, 3127, 3225, 3975, 4425, 6837, 7611, 9381, 9675, 11395, 11925, 12685, 13275, 15635, 20511, 22833, 28143, 34185, 38055, 46905, 56975, 63425, 78175, 102555, 114165, 134461, 140715, 170925, 190275, 234525, 403383, 512775, 570825, 672305, 703575, 1210149, 2016915, 3361525, 6050745, 10084575, 30253725]

約数ペア:

[(1, 30253725), (3, 10084575), (5, 6050745), (9, 3361525), (15, 2016915), (25, 1210149), (43, 703575), (45, 672305), (53, 570825), (59, 512775), (75, 403383), (129, 234525), (159, 190275), (177, 170925), (215, 140715), (225, 134461), (265, 114165), (295, 102555), (387, 78175), (477, 63425), (531, 56975), (645, 46905), (795, 38055), (885, 34185), (1075, 28143), (1325, 22833), (1475, 20511), (1935, 15635), (2279, 13275), (2385, 12685), (2537, 11925), (2655, 11395), (3127, 9675), (3225, 9381), (3975, 7611), (4425, 6837)]