221449599

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 400435200

約数和(自身を除く): 178985601

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 157, 189, 357, 439, 459, 471, 1071, 1099, 1317, 1413, 2669, 3073, 3213, 3297, 3951, 4239, 7463, 8007, 9219, 9891, 11853, 18683, 22389, 24021, 27657, 29673, 52241, 56049, 67167, 68923, 72063, 82971, 156723, 168147, 201501, 206769, 470169, 482461, 504441, 620307, 1171691, 1410507, 1447383, 1860921, 3515073, 4342149, 8201837, 10545219, 13026447, 24605511, 31635657, 73816533, 221449599]

約数ペア:

[(1, 221449599), (3, 73816533), (7, 31635657), (9, 24605511), (17, 13026447), (21, 10545219), (27, 8201837), (51, 4342149), (63, 3515073), (119, 1860921), (153, 1447383), (157, 1410507), (189, 1171691), (357, 620307), (439, 504441), (459, 482461), (471, 470169), (1071, 206769), (1099, 201501), (1317, 168147), (1413, 156723), (2669, 82971), (3073, 72063), (3213, 68923), (3297, 67167), (3951, 56049), (4239, 52241), (7463, 29673), (8007, 27657), (9219, 24021), (9891, 22389), (11853, 18683)]