28824405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 22877355

約数列:

[1, 3, 5, 15, 23, 29, 43, 67, 69, 87, 115, 129, 145, 201, 215, 335, 345, 435, 645, 667, 989, 1005, 1247, 1541, 1943, 2001, 2881, 2967, 3335, 3741, 4623, 4945, 5829, 6235, 7705, 8643, 9715, 10005, 14405, 14835, 18705, 23115, 28681, 29145, 43215, 44689, 66263, 83549, 86043, 134067, 143405, 198789, 223445, 250647, 331315, 417745, 430215, 670335, 993945, 1253235, 1921627, 5764881, 9608135, 28824405]

約数ペア:

[(1, 28824405), (3, 9608135), (5, 5764881), (15, 1921627), (23, 1253235), (29, 993945), (43, 670335), (67, 430215), (69, 417745), (87, 331315), (115, 250647), (129, 223445), (145, 198789), (201, 143405), (215, 134067), (335, 86043), (345, 83549), (435, 66263), (645, 44689), (667, 43215), (989, 29145), (1005, 28681), (1247, 23115), (1541, 18705), (1943, 14835), (2001, 14405), (2881, 10005), (2967, 9715), (3335, 8643), (3741, 7705), (4623, 6235), (4945, 5829)]