1279897377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 2041231104

約数和(自身を除く): 761333727

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 197, 313, 407, 561, 591, 629, 939, 1221, 1887, 2167, 3349, 3443, 5321, 6501, 6919, 7289, 10047, 10329, 11581, 15963, 20757, 21867, 34743, 36839, 58531, 61661, 80179, 110517, 123913, 127391, 175593, 184983, 196877, 240537, 371739, 382173, 590631, 678271, 1048237, 1363043, 2034813, 2165647, 2281457, 3144711, 4089129, 6496941, 6844371, 11530607, 25096027, 34591821, 38784769, 75288081, 116354307, 426632459, 1279897377]

約数ペア:

[(1, 1279897377), (3, 426632459), (11, 116354307), (17, 75288081), (33, 38784769), (37, 34591821), (51, 25096027), (111, 11530607), (187, 6844371), (197, 6496941), (313, 4089129), (407, 3144711), (561, 2281457), (591, 2165647), (629, 2034813), (939, 1363043), (1221, 1048237), (1887, 678271), (2167, 590631), (3349, 382173), (3443, 371739), (5321, 240537), (6501, 196877), (6919, 184983), (7289, 175593), (10047, 127391), (10329, 123913), (11581, 110517), (15963, 80179), (20757, 61661), (21867, 58531), (34743, 36839)]