74289915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13873}}^1$

素因数の和:13908

約数の個数: 48

約数和(自身を含む): 155832768

約数和(自身を除く): 81542853

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 13873, 41619, 69365, 97111, 124857, 208095, 235841, 291333, 485555, 624285, 707523, 873999, 1179205, 1456665, 1650887, 2122569, 3537615, 4369995, 4952661, 8254435, 10612845, 14857983, 24763305, 74289915]

約数ペア:

[(1, 74289915), (3, 24763305), (5, 14857983), (7, 10612845), (9, 8254435), (15, 4952661), (17, 4369995), (21, 3537615), (35, 2122569), (45, 1650887), (51, 1456665), (63, 1179205), (85, 873999), (105, 707523), (119, 624285), (153, 485555), (255, 291333), (315, 235841), (357, 208095), (595, 124857), (765, 97111), (1071, 69365), (1785, 41619), (5355, 13873)]