209939307

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 305363520

約数和(自身を除く): 95424213

約数列:

[1, 3, 17, 51, 53, 101, 159, 303, 769, 901, 1717, 2307, 2703, 5151, 5353, 13073, 16059, 39219, 40757, 77669, 91001, 122271, 233007, 273003, 692869, 1320373, 2078607, 3961119, 4116457, 12349371, 69979769, 209939307]

約数ペア:

[(1, 209939307), (3, 69979769), (17, 12349371), (51, 4116457), (53, 3961119), (101, 2078607), (159, 1320373), (303, 692869), (769, 273003), (901, 233007), (1717, 122271), (2307, 91001), (2703, 77669), (5151, 40757), (5353, 39219), (13073, 16059)]