25294725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 54

約数和(自身を含む): 48251190

約数和(自身を除く): 22956465

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 289, 389, 425, 765, 867, 1167, 1275, 1445, 1945, 2601, 3501, 3825, 4335, 5835, 6613, 7225, 9725, 13005, 17505, 19839, 21675, 29175, 33065, 59517, 65025, 87525, 99195, 112421, 165325, 297585, 337263, 495975, 562105, 1011789, 1487925, 1686315, 2810525, 5058945, 8431575, 25294725]

約数ペア:

[(1, 25294725), (3, 8431575), (5, 5058945), (9, 2810525), (15, 1686315), (17, 1487925), (25, 1011789), (45, 562105), (51, 495975), (75, 337263), (85, 297585), (153, 165325), (225, 112421), (255, 99195), (289, 87525), (389, 65025), (425, 59517), (765, 33065), (867, 29175), (1167, 21675), (1275, 19839), (1445, 17505), (1945, 13005), (2601, 9725), (3501, 7225), (3825, 6613), (4335, 5835)]