193991607

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 309329280

約数和(自身を除く): 115337673

約数列:

[1, 3, 9, 17, 47, 51, 53, 141, 153, 159, 423, 477, 509, 799, 901, 1527, 2397, 2491, 2703, 4581, 7191, 7473, 8109, 8653, 22419, 23923, 25959, 26977, 42347, 71769, 77877, 80931, 127041, 215307, 242793, 381123, 406691, 458609, 1220073, 1267919, 1375827, 3660219, 3803757, 4127481, 11411271, 21554623, 64663869, 193991607]

約数ペア:

[(1, 193991607), (3, 64663869), (9, 21554623), (17, 11411271), (47, 4127481), (51, 3803757), (53, 3660219), (141, 1375827), (153, 1267919), (159, 1220073), (423, 458609), (477, 406691), (509, 381123), (799, 242793), (901, 215307), (1527, 127041), (2397, 80931), (2491, 77877), (2703, 71769), (4581, 42347), (7191, 26977), (7473, 25959), (8109, 23923), (8653, 22419)]