71561763

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 138378240

約数和(自身を除く): 66816477

約数列:

[1, 3, 7, 9, 13, 21, 23, 29, 39, 63, 69, 87, 91, 117, 131, 161, 203, 207, 261, 273, 299, 377, 393, 483, 609, 667, 819, 897, 917, 1131, 1179, 1449, 1703, 1827, 2001, 2093, 2639, 2691, 2751, 3013, 3393, 3799, 4669, 5109, 6003, 6279, 7917, 8253, 8671, 9039, 11397, 11921, 14007, 15327, 18837, 21091, 23751, 26013, 26593, 27117, 34191, 35763, 39169, 42021, 49387, 60697, 63273, 78039, 79779, 87377, 107289, 117507, 148161, 182091, 189819, 239337, 262131, 274183, 345709, 352521, 444483, 546273, 611639, 786393, 822549, 1037127, 1135901, 1834917, 2467647, 3111381, 3407703, 5504751, 7951307, 10223109, 23853921, 71561763]

約数ペア:

[(1, 71561763), (3, 23853921), (7, 10223109), (9, 7951307), (13, 5504751), (21, 3407703), (23, 3111381), (29, 2467647), (39, 1834917), (63, 1135901), (69, 1037127), (87, 822549), (91, 786393), (117, 611639), (131, 546273), (161, 444483), (203, 352521), (207, 345709), (261, 274183), (273, 262131), (299, 239337), (377, 189819), (393, 182091), (483, 148161), (609, 117507), (667, 107289), (819, 87377), (897, 79779), (917, 78039), (1131, 63273), (1179, 60697), (1449, 49387), (1703, 42021), (1827, 39169), (2001, 35763), (2093, 34191), (2639, 27117), (2691, 26593), (2751, 26013), (3013, 23751), (3393, 21091), (3799, 18837), (4669, 15327), (5109, 14007), (6003, 11921), (6279, 11397), (7917, 9039), (8253, 8671)]