66917529

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 117619840

約数和(自身を除く): 50702311

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 421, 609, 783, 841, 1263, 1827, 2523, 2947, 3789, 5481, 5887, 7569, 8841, 11367, 12209, 17661, 22707, 26523, 36627, 52983, 79569, 85463, 109881, 158949, 256389, 329643, 354061, 769167, 1062183, 2307501, 2478427, 3186549, 7435281, 9559647, 22305843, 66917529]

約数ペア:

[(1, 66917529), (3, 22305843), (7, 9559647), (9, 7435281), (21, 3186549), (27, 2478427), (29, 2307501), (63, 1062183), (87, 769167), (189, 354061), (203, 329643), (261, 256389), (421, 158949), (609, 109881), (783, 85463), (841, 79569), (1263, 52983), (1827, 36627), (2523, 26523), (2947, 22707), (3789, 17661), (5481, 12209), (5887, 11367), (7569, 8841)]