47142081

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 86423040

約数和(自身を除く): 39280959

約数列:

[1, 3, 7, 9, 21, 27, 29, 47, 61, 63, 81, 87, 141, 183, 189, 203, 261, 329, 423, 427, 549, 567, 609, 783, 987, 1269, 1281, 1363, 1647, 1769, 1827, 2349, 2867, 2961, 3807, 3843, 4089, 4941, 5307, 5481, 8601, 8883, 9541, 11529, 12267, 12383, 15921, 16443, 20069, 25803, 26649, 28623, 34587, 36801, 37149, 47763, 60207, 77409, 83143, 85869, 110403, 111447, 143289, 180621, 232227, 249429, 257607, 334341, 541863, 582001, 748287, 772821, 1003023, 1625589, 1746003, 2244861, 5238009, 6734583, 15714027, 47142081]

約数ペア:

[(1, 47142081), (3, 15714027), (7, 6734583), (9, 5238009), (21, 2244861), (27, 1746003), (29, 1625589), (47, 1003023), (61, 772821), (63, 748287), (81, 582001), (87, 541863), (141, 334341), (183, 257607), (189, 249429), (203, 232227), (261, 180621), (329, 143289), (423, 111447), (427, 110403), (549, 85869), (567, 83143), (609, 77409), (783, 60207), (987, 47763), (1269, 37149), (1281, 36801), (1363, 34587), (1647, 28623), (1769, 26649), (1827, 25803), (2349, 20069), (2867, 16443), (2961, 15921), (3807, 12383), (3843, 12267), (4089, 11529), (4941, 9541), (5307, 8883), (5481, 8601)]