26919075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 48318336

約数和(自身を除く): 21399261

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 491, 645, 731, 1075, 1275, 1473, 2193, 2455, 3225, 3655, 7365, 8347, 10965, 12275, 18275, 21113, 25041, 36825, 41735, 54825, 63339, 105565, 125205, 208675, 316695, 358921, 527825, 626025, 1076763, 1583475, 1794605, 5383815, 8973025, 26919075]

約数ペア:

[(1, 26919075), (3, 8973025), (5, 5383815), (15, 1794605), (17, 1583475), (25, 1076763), (43, 626025), (51, 527825), (75, 358921), (85, 316695), (129, 208675), (215, 125205), (255, 105565), (425, 63339), (491, 54825), (645, 41735), (731, 36825), (1075, 25041), (1275, 21113), (1473, 18275), (2193, 12275), (2455, 10965), (3225, 8347), (3655, 7365)]