81796605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 153052416

約数和(自身を除く): 71255811

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 241, 255, 363, 561, 605, 723, 935, 1205, 1331, 1815, 2057, 2651, 2805, 3615, 3993, 4097, 6171, 6655, 7953, 10285, 12291, 13255, 19965, 20485, 22627, 29161, 30855, 39765, 45067, 61455, 67881, 87483, 113135, 135201, 145805, 225335, 320771, 339405, 437415, 495737, 676005, 962313, 1487211, 1603855, 2478685, 4811565, 5453107, 7436055, 16359321, 27265535, 81796605]

約数ペア:

[(1, 81796605), (3, 27265535), (5, 16359321), (11, 7436055), (15, 5453107), (17, 4811565), (33, 2478685), (51, 1603855), (55, 1487211), (85, 962313), (121, 676005), (165, 495737), (187, 437415), (241, 339405), (255, 320771), (363, 225335), (561, 145805), (605, 135201), (723, 113135), (935, 87483), (1205, 67881), (1331, 61455), (1815, 45067), (2057, 39765), (2651, 30855), (2805, 29161), (3615, 22627), (3993, 20485), (4097, 19965), (6171, 13255), (6655, 12291), (7953, 10285)]