16978815

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 35754048

約数和(自身を除く): 18775233

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 113, 135, 159, 189, 265, 315, 339, 371, 405, 477, 565, 567, 791, 795, 945, 1017, 1113, 1431, 1695, 1855, 2373, 2385, 2835, 3051, 3339, 3955, 4293, 5085, 5565, 5989, 7119, 7155, 9153, 10017, 11865, 15255, 16695, 17967, 21357, 21465, 29945, 30051, 35595, 41923, 45765, 50085, 53901, 64071, 89835, 106785, 125769, 150255, 161703, 209615, 269505, 320355, 377307, 485109, 628845, 808515, 1131921, 1886535, 2425545, 3395763, 5659605, 16978815]

約数ペア:

[(1, 16978815), (3, 5659605), (5, 3395763), (7, 2425545), (9, 1886535), (15, 1131921), (21, 808515), (27, 628845), (35, 485109), (45, 377307), (53, 320355), (63, 269505), (81, 209615), (105, 161703), (113, 150255), (135, 125769), (159, 106785), (189, 89835), (265, 64071), (315, 53901), (339, 50085), (371, 45765), (405, 41923), (477, 35595), (565, 30051), (567, 29945), (791, 21465), (795, 21357), (945, 17967), (1017, 16695), (1113, 15255), (1431, 11865), (1695, 10017), (1855, 9153), (2373, 7155), (2385, 7119), (2835, 5989), (3051, 5565), (3339, 5085), (3955, 4293)]