25003125

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 51996672

約数和(自身を除く): 26993547

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 127, 175, 225, 315, 375, 381, 525, 625, 635, 875, 889, 1125, 1143, 1575, 1875, 1905, 2625, 2667, 3125, 3175, 4375, 4445, 5625, 5715, 7875, 8001, 9375, 9525, 13125, 13335, 15875, 21875, 22225, 28125, 28575, 39375, 40005, 47625, 65625, 66675, 79375, 111125, 142875, 196875, 200025, 238125, 333375, 396875, 555625, 714375, 1000125, 1190625, 1666875, 2778125, 3571875, 5000625, 8334375, 25003125]

約数ペア:

[(1, 25003125), (3, 8334375), (5, 5000625), (7, 3571875), (9, 2778125), (15, 1666875), (21, 1190625), (25, 1000125), (35, 714375), (45, 555625), (63, 396875), (75, 333375), (105, 238125), (125, 200025), (127, 196875), (175, 142875), (225, 111125), (315, 79375), (375, 66675), (381, 65625), (525, 47625), (625, 40005), (635, 39375), (875, 28575), (889, 28125), (1125, 22225), (1143, 21875), (1575, 15875), (1875, 13335), (1905, 13125), (2625, 9525), (2667, 9375), (3125, 8001), (3175, 7875), (4375, 5715), (4445, 5625)]