87572385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 159539328

約数和(自身を除く): 71966943

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 211, 345, 401, 633, 1035, 1055, 1203, 1899, 2005, 3165, 3609, 4853, 6015, 9223, 9495, 14559, 18045, 24265, 27669, 43677, 46115, 72795, 83007, 84611, 138345, 218385, 253833, 415035, 423055, 761499, 1269165, 1946053, 3807495, 5838159, 9730265, 17514477, 29190795, 87572385]

約数ペア:

[(1, 87572385), (3, 29190795), (5, 17514477), (9, 9730265), (15, 5838159), (23, 3807495), (45, 1946053), (69, 1269165), (115, 761499), (207, 423055), (211, 415035), (345, 253833), (401, 218385), (633, 138345), (1035, 84611), (1055, 83007), (1203, 72795), (1899, 46115), (2005, 43677), (3165, 27669), (3609, 24265), (4853, 18045), (6015, 14559), (9223, 9495)]