61720785

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 112

約数和(自身を含む): 132209280

約数和(自身を除く): 70488495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 59, 63, 81, 105, 123, 135, 177, 189, 205, 243, 287, 295, 315, 369, 405, 413, 531, 567, 615, 729, 861, 885, 945, 1107, 1215, 1239, 1435, 1593, 1701, 1845, 2065, 2419, 2583, 2655, 2835, 3321, 3645, 3717, 4305, 4779, 5103, 5535, 6195, 7257, 7749, 7965, 8505, 9963, 11151, 12095, 12915, 14337, 16605, 16933, 18585, 21771, 23247, 23895, 25515, 29889, 33453, 36285, 38745, 43011, 49815, 50799, 55755, 65313, 69741, 71685, 84665, 100359, 108855, 116235, 149445, 152397, 167265, 195939, 209223, 215055, 253995, 301077, 326565, 348705, 457191, 501795, 587817, 761985, 979695, 1046115, 1371573, 1505385, 1763451, 2285955, 2939085, 4114719, 6857865, 8817255, 12344157, 20573595, 61720785]

約数ペア:

[(1, 61720785), (3, 20573595), (5, 12344157), (7, 8817255), (9, 6857865), (15, 4114719), (21, 2939085), (27, 2285955), (35, 1763451), (41, 1505385), (45, 1371573), (59, 1046115), (63, 979695), (81, 761985), (105, 587817), (123, 501795), (135, 457191), (177, 348705), (189, 326565), (205, 301077), (243, 253995), (287, 215055), (295, 209223), (315, 195939), (369, 167265), (405, 152397), (413, 149445), (531, 116235), (567, 108855), (615, 100359), (729, 84665), (861, 71685), (885, 69741), (945, 65313), (1107, 55755), (1215, 50799), (1239, 49815), (1435, 43011), (1593, 38745), (1701, 36285), (1845, 33453), (2065, 29889), (2419, 25515), (2583, 23895), (2655, 23247), (2835, 21771), (3321, 18585), (3645, 16933), (3717, 16605), (4305, 14337), (4779, 12915), (5103, 12095), (5535, 11151), (6195, 9963), (7257, 8505), (7749, 7965)]