71972145

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 150543360

約数和(自身を除く): 78571215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 135, 159, 189, 265, 315, 371, 405, 477, 479, 567, 795, 945, 1113, 1431, 1437, 1855, 2385, 2395, 2835, 3339, 3353, 4293, 4311, 5565, 7155, 7185, 10017, 10059, 12933, 16695, 16765, 21465, 21555, 25387, 30051, 30177, 38799, 50085, 50295, 64665, 76161, 90531, 126935, 150255, 150885, 177709, 193995, 228483, 271593, 380805, 452655, 533127, 685449, 888545, 1142415, 1357965, 1599381, 2056347, 2665635, 3427245, 4798143, 7996905, 10281735, 14394429, 23990715, 71972145]

約数ペア:

[(1, 71972145), (3, 23990715), (5, 14394429), (7, 10281735), (9, 7996905), (15, 4798143), (21, 3427245), (27, 2665635), (35, 2056347), (45, 1599381), (53, 1357965), (63, 1142415), (81, 888545), (105, 685449), (135, 533127), (159, 452655), (189, 380805), (265, 271593), (315, 228483), (371, 193995), (405, 177709), (477, 150885), (479, 150255), (567, 126935), (795, 90531), (945, 76161), (1113, 64665), (1431, 50295), (1437, 50085), (1855, 38799), (2385, 30177), (2395, 30051), (2835, 25387), (3339, 21555), (3353, 21465), (4293, 16765), (4311, 16695), (5565, 12933), (7155, 10059), (7185, 10017)]