121420161

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{21313}}^1$

素因数の和:21533

約数の個数: 16

約数和(自身を含む): 180742720

約数和(自身を除く): 59322559

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5697, 21313, 63939, 191817, 575451, 4497043, 13491129, 40473387, 121420161]

約数ペア:

[(1, 121420161), (3, 40473387), (9, 13491129), (27, 4497043), (211, 575451), (633, 191817), (1899, 63939), (5697, 21313)]