31374645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 52752384

約数和(自身を除く): 21377739

約数列:

[1, 3, 5, 15, 23, 69, 115, 211, 345, 431, 633, 1055, 1293, 2155, 3165, 4853, 6465, 9913, 14559, 24265, 29739, 49565, 72795, 90941, 148695, 272823, 454705, 1364115, 2091643, 6274929, 10458215, 31374645]

約数ペア:

[(1, 31374645), (3, 10458215), (5, 6274929), (15, 2091643), (23, 1364115), (69, 454705), (115, 272823), (211, 148695), (345, 90941), (431, 72795), (633, 49565), (1055, 29739), (1293, 24265), (2155, 14559), (3165, 9913), (4853, 6465)]