386892387

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 676467792

約数和(自身を除く): 289575405

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 131, 147, 181, 259, 333, 393, 441, 543, 777, 917, 1179, 1267, 1629, 1813, 2331, 2751, 3801, 4847, 5439, 6419, 6697, 8253, 8869, 11403, 14541, 16317, 19257, 20091, 23711, 26607, 33929, 43623, 46879, 57771, 60273, 71133, 79821, 101787, 140637, 165977, 213399, 237503, 305361, 328153, 421911, 497931, 712509, 877307, 984459, 1161839, 1493793, 2137527, 2631921, 2953377, 3485517, 6141149, 7895763, 10456551, 18423447, 42988043, 55270341, 128964129, 386892387]

約数ペア:

[(1, 386892387), (3, 128964129), (7, 55270341), (9, 42988043), (21, 18423447), (37, 10456551), (49, 7895763), (63, 6141149), (111, 3485517), (131, 2953377), (147, 2631921), (181, 2137527), (259, 1493793), (333, 1161839), (393, 984459), (441, 877307), (543, 712509), (777, 497931), (917, 421911), (1179, 328153), (1267, 305361), (1629, 237503), (1813, 213399), (2331, 165977), (2751, 140637), (3801, 101787), (4847, 79821), (5439, 71133), (6419, 60273), (6697, 57771), (8253, 46879), (8869, 43623), (11403, 33929), (14541, 26607), (16317, 23711), (19257, 20091)]