66820863

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 97977600

約数和(自身を除く): 31156737

約数列:

[1, 3, 17, 51, 53, 59, 159, 177, 419, 901, 1003, 1257, 2703, 3009, 3127, 7123, 9381, 21369, 22207, 24721, 53159, 66621, 74163, 159477, 377519, 420257, 1132557, 1260771, 1310213, 3930639, 22273621, 66820863]

約数ペア:

[(1, 66820863), (3, 22273621), (17, 3930639), (51, 1310213), (53, 1260771), (59, 1132557), (159, 420257), (177, 377519), (419, 159477), (901, 74163), (1003, 66621), (1257, 53159), (2703, 24721), (3009, 22207), (3127, 21369), (7123, 9381)]