64840965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 123316992

約数和(自身を除く): 58476027

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 705, 735, 987, 1645, 1877, 2303, 4935, 5631, 6909, 9385, 11515, 13139, 28155, 34545, 39417, 65695, 88219, 91973, 197085, 264657, 275919, 441095, 459865, 617533, 1323285, 1379595, 1852599, 3087665, 4322731, 9262995, 12968193, 21613655, 64840965]

約数ペア:

[(1, 64840965), (3, 21613655), (5, 12968193), (7, 9262995), (15, 4322731), (21, 3087665), (35, 1852599), (47, 1379595), (49, 1323285), (105, 617533), (141, 459865), (147, 441095), (235, 275919), (245, 264657), (329, 197085), (705, 91973), (735, 88219), (987, 65695), (1645, 39417), (1877, 34545), (2303, 28155), (4935, 13139), (5631, 11515), (6909, 9385)]