726415641

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:292

約数の個数: 72

約数和(自身を含む): 1292422560

約数和(自身を除く): 566006919

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 113, 129, 147, 189, 301, 339, 387, 441, 791, 903, 1017, 1161, 1323, 2107, 2373, 2709, 3051, 4859, 5537, 6321, 7119, 8127, 12769, 14577, 16611, 18963, 21357, 34013, 38307, 43731, 49833, 56889, 89383, 102039, 114921, 131193, 149499, 238091, 268149, 306117, 344763, 549067, 625681, 714273, 804447, 918351, 1647201, 1877043, 2142819, 2413341, 3843469, 4941603, 5631129, 6428457, 11530407, 14824809, 16893387, 26904283, 34591221, 80712849, 103773663, 242138547, 726415641]

約数ペア:

[(1, 726415641), (3, 242138547), (7, 103773663), (9, 80712849), (21, 34591221), (27, 26904283), (43, 16893387), (49, 14824809), (63, 11530407), (113, 6428457), (129, 5631129), (147, 4941603), (189, 3843469), (301, 2413341), (339, 2142819), (387, 1877043), (441, 1647201), (791, 918351), (903, 804447), (1017, 714273), (1161, 625681), (1323, 549067), (2107, 344763), (2373, 306117), (2709, 268149), (3051, 238091), (4859, 149499), (5537, 131193), (6321, 114921), (7119, 102039), (8127, 89383), (12769, 56889), (14577, 49833), (16611, 43731), (18963, 38307), (21357, 34013)]