305235

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 64

約数和(自身を含む): 691200

約数和(自身を除く): 385965

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 135, 153, 171, 189, 255, 285, 315, 323, 357, 399, 459, 513, 595, 665, 765, 855, 945, 969, 1071, 1197, 1615, 1785, 1995, 2261, 2295, 2565, 2907, 3213, 3591, 4845, 5355, 5985, 6783, 8721, 11305, 14535, 16065, 17955, 20349, 33915, 43605, 61047, 101745, 305235]

約数ペア:

[(1, 305235), (3, 101745), (5, 61047), (7, 43605), (9, 33915), (15, 20349), (17, 17955), (19, 16065), (21, 14535), (27, 11305), (35, 8721), (45, 6783), (51, 5985), (57, 5355), (63, 4845), (85, 3591), (95, 3213), (105, 2907), (119, 2565), (133, 2295), (135, 2261), (153, 1995), (171, 1785), (189, 1615), (255, 1197), (285, 1071), (315, 969), (323, 945), (357, 855), (399, 765), (459, 665), (513, 595)]