28621215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 60088320

約数和(自身を除く): 31467105

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 279, 315, 465, 651, 837, 945, 977, 1085, 1395, 1953, 2931, 3255, 4185, 4885, 5859, 6839, 8793, 9765, 14655, 20517, 26379, 29295, 30287, 34195, 43965, 61551, 90861, 102585, 131895, 151435, 184653, 212009, 272583, 307755, 454305, 636027, 817749, 923265, 1060045, 1362915, 1908081, 3180135, 4088745, 5724243, 9540405, 28621215]

約数ペア:

[(1, 28621215), (3, 9540405), (5, 5724243), (7, 4088745), (9, 3180135), (15, 1908081), (21, 1362915), (27, 1060045), (31, 923265), (35, 817749), (45, 636027), (63, 454305), (93, 307755), (105, 272583), (135, 212009), (155, 184653), (189, 151435), (217, 131895), (279, 102585), (315, 90861), (465, 61551), (651, 43965), (837, 34195), (945, 30287), (977, 29295), (1085, 26379), (1395, 20517), (1953, 14655), (2931, 9765), (3255, 8793), (4185, 6839), (4885, 5859)]