20921625

素因数分解:

$3^3\times 5^3\times {\mathrm{6199}}^1$

素因数の和:6223

約数の個数: 32

約数和(自身を含む): 38688000

約数和(自身を除く): 17766375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6199, 18597, 30995, 55791, 92985, 154975, 167373, 278955, 464925, 774875, 836865, 1394775, 2324625, 4184325, 6973875, 20921625]

約数ペア:

[(1, 20921625), (3, 6973875), (5, 4184325), (9, 2324625), (15, 1394775), (25, 836865), (27, 774875), (45, 464925), (75, 278955), (125, 167373), (135, 154975), (225, 92985), (375, 55791), (675, 30995), (1125, 18597), (3375, 6199)]