28264995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 27754605

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 145, 165, 179, 261, 319, 363, 435, 495, 537, 605, 895, 957, 1089, 1305, 1595, 1611, 1815, 1969, 2685, 2871, 3509, 4785, 5191, 5445, 5907, 8055, 9845, 10527, 14355, 15573, 17545, 17721, 21659, 25955, 29535, 31581, 46719, 52635, 57101, 64977, 77865, 88605, 108295, 157905, 171303, 194931, 233595, 285505, 324885, 513909, 628111, 856515, 974655, 1884333, 2569545, 3140555, 5652999, 9421665, 28264995]

約数ペア:

[(1, 28264995), (3, 9421665), (5, 5652999), (9, 3140555), (11, 2569545), (15, 1884333), (29, 974655), (33, 856515), (45, 628111), (55, 513909), (87, 324885), (99, 285505), (121, 233595), (145, 194931), (165, 171303), (179, 157905), (261, 108295), (319, 88605), (363, 77865), (435, 64977), (495, 57101), (537, 52635), (605, 46719), (895, 31581), (957, 29535), (1089, 25955), (1305, 21659), (1595, 17721), (1611, 17545), (1815, 15573), (1969, 14355), (2685, 10527), (2871, 9845), (3509, 8055), (4785, 5907), (5191, 5445)]