28805625

素因数分解:

$3^4\times 5^4\times {\mathrm{569}}^1$

素因数の和:601

約数の個数: 50

約数和(自身を含む): 53865570

約数和(自身を除く): 25059945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 569, 625, 675, 1125, 1707, 1875, 2025, 2845, 3375, 5121, 5625, 8535, 10125, 14225, 15363, 16875, 25605, 42675, 46089, 50625, 71125, 76815, 128025, 213375, 230445, 355625, 384075, 640125, 1066875, 1152225, 1920375, 3200625, 5761125, 9601875, 28805625]

約数ペア:

[(1, 28805625), (3, 9601875), (5, 5761125), (9, 3200625), (15, 1920375), (25, 1152225), (27, 1066875), (45, 640125), (75, 384075), (81, 355625), (125, 230445), (135, 213375), (225, 128025), (375, 76815), (405, 71125), (569, 50625), (625, 46089), (675, 42675), (1125, 25605), (1707, 16875), (1875, 15363), (2025, 14225), (2845, 10125), (3375, 8535), (5121, 5625)]