25011675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 26172549

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 503, 585, 663, 765, 975, 1105, 1275, 1509, 1989, 2515, 2925, 3315, 3825, 4527, 5525, 6539, 7545, 8551, 9945, 12575, 16575, 19617, 22635, 25653, 32695, 37725, 42755, 49725, 58851, 76959, 98085, 111163, 113175, 128265, 163475, 213775, 294255, 333489, 384795, 490425, 555815, 641325, 1000467, 1471275, 1667445, 1923975, 2779075, 5002335, 8337225, 25011675]

約数ペア:

[(1, 25011675), (3, 8337225), (5, 5002335), (9, 2779075), (13, 1923975), (15, 1667445), (17, 1471275), (25, 1000467), (39, 641325), (45, 555815), (51, 490425), (65, 384795), (75, 333489), (85, 294255), (117, 213775), (153, 163475), (195, 128265), (221, 113175), (225, 111163), (255, 98085), (325, 76959), (425, 58851), (503, 49725), (585, 42755), (663, 37725), (765, 32695), (975, 25653), (1105, 22635), (1275, 19617), (1509, 16575), (1989, 12575), (2515, 9945), (2925, 8551), (3315, 7545), (3825, 6539), (4527, 5525)]