28244565

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 26774955

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 397, 459, 465, 527, 765, 837, 1191, 1395, 1581, 1985, 2295, 2635, 3573, 4185, 4743, 5955, 6749, 7905, 10719, 12307, 14229, 17865, 20247, 23715, 33745, 36921, 53595, 60741, 61535, 71145, 101235, 110763, 182223, 184605, 209219, 303705, 332289, 553815, 627657, 911115, 1046095, 1661445, 1882971, 3138285, 5648913, 9414855, 28244565]

約数ペア:

[(1, 28244565), (3, 9414855), (5, 5648913), (9, 3138285), (15, 1882971), (17, 1661445), (27, 1046095), (31, 911115), (45, 627657), (51, 553815), (85, 332289), (93, 303705), (135, 209219), (153, 184605), (155, 182223), (255, 110763), (279, 101235), (397, 71145), (459, 61535), (465, 60741), (527, 53595), (765, 36921), (837, 33745), (1191, 23715), (1395, 20247), (1581, 17865), (1985, 14229), (2295, 12307), (2635, 10719), (3573, 7905), (4185, 6749), (4743, 5955)]