16538265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 32610240

約数和(自身を除く): 16071975

約数列:

[1, 3, 5, 9, 15, 19, 23, 29, 45, 57, 69, 87, 95, 115, 145, 171, 207, 261, 285, 345, 435, 437, 551, 667, 841, 855, 1035, 1305, 1311, 1653, 2001, 2185, 2523, 2755, 3335, 3933, 4205, 4959, 6003, 6555, 7569, 8265, 10005, 12615, 12673, 15979, 19343, 19665, 24795, 30015, 37845, 38019, 47937, 58029, 63365, 79895, 96715, 114057, 143811, 174087, 190095, 239685, 290145, 367517, 570285, 719055, 870435, 1102551, 1837585, 3307653, 5512755, 16538265]

約数ペア:

[(1, 16538265), (3, 5512755), (5, 3307653), (9, 1837585), (15, 1102551), (19, 870435), (23, 719055), (29, 570285), (45, 367517), (57, 290145), (69, 239685), (87, 190095), (95, 174087), (115, 143811), (145, 114057), (171, 96715), (207, 79895), (261, 63365), (285, 58029), (345, 47937), (435, 38019), (437, 37845), (551, 30015), (667, 24795), (841, 19665), (855, 19343), (1035, 15979), (1305, 12673), (1311, 12615), (1653, 10005), (2001, 8265), (2185, 7569), (2523, 6555), (2755, 6003), (3335, 4959), (3933, 4205)]