28207942767

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{1231}}^1$

素因数の和:1352

約数の個数: 84

約数和(自身を含む): 45883230624

約数和(自身を除く): 17675287857

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 243, 387, 459, 729, 731, 1161, 1231, 1377, 1849, 2193, 3483, 3693, 4131, 5547, 6579, 10449, 11079, 12393, 16641, 19737, 20927, 31347, 31433, 33237, 49923, 52933, 59211, 62781, 94299, 99711, 149769, 158799, 177633, 188343, 282897, 299133, 449307, 476397, 532899, 565029, 848691, 897399, 899861, 1347921, 1429191, 1695087, 2276119, 2546073, 2699583, 4287573, 5085261, 6828357, 7638219, 8098749, 12862719, 15255783, 20485071, 22914657, 24296247, 38588157, 38694023, 61455213, 72888741, 116082069, 184365639, 218666223, 348246207, 553096917, 655998669, 1044738621, 1659290751, 3134215863, 9402647589, 28207942767]

約数ペア:

[(1, 28207942767), (3, 9402647589), (9, 3134215863), (17, 1659290751), (27, 1044738621), (43, 655998669), (51, 553096917), (81, 348246207), (129, 218666223), (153, 184365639), (243, 116082069), (387, 72888741), (459, 61455213), (729, 38694023), (731, 38588157), (1161, 24296247), (1231, 22914657), (1377, 20485071), (1849, 15255783), (2193, 12862719), (3483, 8098749), (3693, 7638219), (4131, 6828357), (5547, 5085261), (6579, 4287573), (10449, 2699583), (11079, 2546073), (12393, 2276119), (16641, 1695087), (19737, 1429191), (20927, 1347921), (31347, 899861), (31433, 897399), (33237, 848691), (49923, 565029), (52933, 532899), (59211, 476397), (62781, 449307), (94299, 299133), (99711, 282897), (149769, 188343), (158799, 177633)]