54438363

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 98701200

約数和(自身を除く): 44262837

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 73, 89, 133, 147, 171, 219, 267, 399, 441, 511, 623, 657, 801, 931, 1197, 1387, 1533, 1691, 1869, 2793, 3577, 4161, 4361, 4599, 5073, 5607, 6497, 8379, 9709, 10731, 11837, 12483, 13083, 15219, 19491, 29127, 32193, 35511, 39249, 45479, 58473, 67963, 82859, 87381, 106533, 123443, 136437, 203889, 248577, 318353, 370329, 409311, 611667, 745731, 864101, 955059, 1110987, 2592303, 2865177, 6048707, 7776909, 18146121, 54438363]

約数ペア:

[(1, 54438363), (3, 18146121), (7, 7776909), (9, 6048707), (19, 2865177), (21, 2592303), (49, 1110987), (57, 955059), (63, 864101), (73, 745731), (89, 611667), (133, 409311), (147, 370329), (171, 318353), (219, 248577), (267, 203889), (399, 136437), (441, 123443), (511, 106533), (623, 87381), (657, 82859), (801, 67963), (931, 58473), (1197, 45479), (1387, 39249), (1533, 35511), (1691, 32193), (1869, 29127), (2793, 19491), (3577, 15219), (4161, 13083), (4361, 12483), (4599, 11837), (5073, 10731), (5607, 9709), (6497, 8379)]