81709103637

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17351}}^1\times {\mathrm{4397}}^1$

素因数の和:21778

約数の個数: 48

約数和(自身を含む): 142859987712

約数和(自身を除く): 61150884075

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 4397, 13191, 17351, 30779, 39573, 52053, 74749, 92337, 121457, 156159, 224247, 277011, 294967, 364371, 523243, 672741, 884901, 1093113, 1569729, 2064769, 2654703, 4709187, 6194307, 18582921, 76292347, 228877041, 534046429, 686631123, 1296969899, 1602139287, 3890909697, 4806417861, 9078789293, 11672729091, 27236367879, 81709103637]

約数ペア:

[(1, 81709103637), (3, 27236367879), (7, 11672729091), (9, 9078789293), (17, 4806417861), (21, 3890909697), (51, 1602139287), (63, 1296969899), (119, 686631123), (153, 534046429), (357, 228877041), (1071, 76292347), (4397, 18582921), (13191, 6194307), (17351, 4709187), (30779, 2654703), (39573, 2064769), (52053, 1569729), (74749, 1093113), (92337, 884901), (121457, 672741), (156159, 523243), (224247, 364371), (277011, 294967)]