27909225

素因数分解:

$3^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 51782400

約数和(自身を除く): 23873175

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 173, 225, 239, 519, 675, 717, 865, 1195, 1557, 2151, 2595, 3585, 4325, 4671, 5975, 6453, 7785, 10755, 12975, 17925, 23355, 32265, 38925, 41347, 53775, 116775, 124041, 161325, 206735, 372123, 620205, 1033675, 1116369, 1860615, 3101025, 5581845, 9303075, 27909225]

約数ペア:

[(1, 27909225), (3, 9303075), (5, 5581845), (9, 3101025), (15, 1860615), (25, 1116369), (27, 1033675), (45, 620205), (75, 372123), (135, 206735), (173, 161325), (225, 124041), (239, 116775), (519, 53775), (675, 41347), (717, 38925), (865, 32265), (1195, 23355), (1557, 17925), (2151, 12975), (2595, 10755), (3585, 7785), (4325, 6453), (4671, 5975)]