78897867

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 115007040

約数和(自身を除く): 36109173

約数列:

[1, 3, 17, 51, 53, 101, 159, 289, 303, 867, 901, 1717, 2703, 4913, 5151, 5353, 14739, 15317, 16059, 29189, 45951, 87567, 91001, 260389, 273003, 496213, 781167, 1488639, 1547017, 4641051, 26299289, 78897867]

約数ペア:

[(1, 78897867), (3, 26299289), (17, 4641051), (51, 1547017), (53, 1488639), (101, 781167), (159, 496213), (289, 273003), (303, 260389), (867, 91001), (901, 87567), (1717, 45951), (2703, 29189), (4913, 16059), (5151, 15317), (5353, 14739)]