491436729

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 880308000

約数和(自身を除く): 388871271

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 89, 133, 147, 171, 267, 399, 441, 623, 659, 801, 931, 1197, 1691, 1869, 1977, 2793, 4361, 4613, 5073, 5607, 5931, 8379, 11837, 12521, 13083, 13839, 15219, 32291, 35511, 37563, 39249, 41517, 58651, 82859, 87647, 96873, 106533, 112689, 175953, 248577, 262941, 290619, 410557, 527859, 613529, 745731, 788823, 1114369, 1231671, 1840587, 2873899, 3343107, 3695013, 5521761, 7800583, 8621697, 10029321, 23401749, 25865091, 54604081, 70205247, 163812243, 491436729]

約数ペア:

[(1, 491436729), (3, 163812243), (7, 70205247), (9, 54604081), (19, 25865091), (21, 23401749), (49, 10029321), (57, 8621697), (63, 7800583), (89, 5521761), (133, 3695013), (147, 3343107), (171, 2873899), (267, 1840587), (399, 1231671), (441, 1114369), (623, 788823), (659, 745731), (801, 613529), (931, 527859), (1197, 410557), (1691, 290619), (1869, 262941), (1977, 248577), (2793, 175953), (4361, 112689), (4613, 106533), (5073, 96873), (5607, 87647), (5931, 82859), (8379, 58651), (11837, 41517), (12521, 39249), (13083, 37563), (13839, 35511), (15219, 32291)]