20181404727

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 33605784576

約数和(自身を除く): 13424379849

約数列:

[1, 3, 9, 11, 33, 37, 71, 73, 99, 111, 213, 219, 333, 407, 639, 657, 781, 803, 1063, 1221, 2343, 2409, 2627, 2701, 3189, 3663, 5183, 7029, 7227, 7881, 8103, 9567, 11693, 15549, 23643, 24309, 28897, 29711, 35079, 39331, 46647, 57013, 75473, 77599, 86691, 89133, 105237, 117993, 171039, 191771, 226419, 232797, 260073, 267399, 353979, 432641, 513117, 575313, 679257, 698391, 830203, 853589, 1297923, 1725939, 2109481, 2490609, 2560767, 2792501, 2871163, 3893769, 5509529, 6328443, 7471827, 7682301, 8377503, 8613489, 16528587, 18985329, 25132509, 25840467, 30717511, 31582793, 49585761, 60604819, 92152533, 94748379, 181814457, 203852573, 276457599, 284245137, 545443371, 611557719, 1834673157, 2242378303, 6727134909, 20181404727]

約数ペア:

[(1, 20181404727), (3, 6727134909), (9, 2242378303), (11, 1834673157), (33, 611557719), (37, 545443371), (71, 284245137), (73, 276457599), (99, 203852573), (111, 181814457), (213, 94748379), (219, 92152533), (333, 60604819), (407, 49585761), (639, 31582793), (657, 30717511), (781, 25840467), (803, 25132509), (1063, 18985329), (1221, 16528587), (2343, 8613489), (2409, 8377503), (2627, 7682301), (2701, 7471827), (3189, 6328443), (3663, 5509529), (5183, 3893769), (7029, 2871163), (7227, 2792501), (7881, 2560767), (8103, 2490609), (9567, 2109481), (11693, 1725939), (15549, 1297923), (23643, 853589), (24309, 830203), (28897, 698391), (29711, 679257), (35079, 575313), (39331, 513117), (46647, 432641), (57013, 353979), (75473, 267399), (77599, 260073), (86691, 232797), (89133, 226419), (105237, 191771), (117993, 171039)]