203969175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 362883024

約数和(自身を除く): 158913849

約数列:

[1, 3, 5, 15, 23, 25, 53, 69, 75, 97, 115, 159, 265, 291, 345, 485, 529, 575, 795, 1219, 1325, 1455, 1587, 1725, 2231, 2425, 2645, 3657, 3975, 5141, 6095, 6693, 7275, 7935, 11155, 13225, 15423, 18285, 25705, 28037, 30475, 33465, 39675, 51313, 55775, 77115, 84111, 91425, 118243, 128525, 140185, 153939, 167325, 256565, 354729, 385575, 420555, 591215, 700925, 769695, 1282825, 1773645, 2102775, 2719589, 2956075, 3848475, 8158767, 8868225, 13597945, 40793835, 67989725, 203969175]

約数ペア:

[(1, 203969175), (3, 67989725), (5, 40793835), (15, 13597945), (23, 8868225), (25, 8158767), (53, 3848475), (69, 2956075), (75, 2719589), (97, 2102775), (115, 1773645), (159, 1282825), (265, 769695), (291, 700925), (345, 591215), (485, 420555), (529, 385575), (575, 354729), (795, 256565), (1219, 167325), (1325, 153939), (1455, 140185), (1587, 128525), (1725, 118243), (2231, 91425), (2425, 84111), (2645, 77115), (3657, 55775), (3975, 51313), (5141, 39675), (6095, 33465), (6693, 30475), (7275, 28037), (7935, 25705), (11155, 18285), (13225, 15423)]