28714035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 56908800

約数和(自身を除く): 28194765

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 259, 285, 389, 399, 555, 665, 703, 777, 1167, 1295, 1945, 1995, 2109, 2723, 3515, 3885, 4921, 5835, 7391, 8169, 10545, 13615, 14393, 14763, 22173, 24605, 36955, 40845, 43179, 51737, 71965, 73815, 100751, 110865, 155211, 215895, 258685, 273467, 302253, 503755, 776055, 820401, 1367335, 1511265, 1914269, 4102005, 5742807, 9571345, 28714035]

約数ペア:

[(1, 28714035), (3, 9571345), (5, 5742807), (7, 4102005), (15, 1914269), (19, 1511265), (21, 1367335), (35, 820401), (37, 776055), (57, 503755), (95, 302253), (105, 273467), (111, 258685), (133, 215895), (185, 155211), (259, 110865), (285, 100751), (389, 73815), (399, 71965), (555, 51737), (665, 43179), (703, 40845), (777, 36955), (1167, 24605), (1295, 22173), (1945, 14763), (1995, 14393), (2109, 13615), (2723, 10545), (3515, 8169), (3885, 7391), (4921, 5835)]