28736505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 30983175

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 135, 141, 189, 235, 315, 329, 423, 647, 705, 945, 987, 1269, 1645, 1941, 2115, 2961, 3235, 4529, 4935, 5823, 6345, 8883, 9705, 13587, 14805, 17469, 22645, 29115, 30409, 40761, 44415, 67935, 87345, 91227, 122283, 152045, 203805, 212863, 273681, 456135, 611415, 638589, 821043, 1064315, 1368405, 1915767, 3192945, 4105215, 5747301, 9578835, 28736505]

約数ペア:

[(1, 28736505), (3, 9578835), (5, 5747301), (7, 4105215), (9, 3192945), (15, 1915767), (21, 1368405), (27, 1064315), (35, 821043), (45, 638589), (47, 611415), (63, 456135), (105, 273681), (135, 212863), (141, 203805), (189, 152045), (235, 122283), (315, 91227), (329, 87345), (423, 67935), (647, 44415), (705, 40761), (945, 30409), (987, 29115), (1269, 22645), (1645, 17469), (1941, 14805), (2115, 13587), (2961, 9705), (3235, 8883), (4529, 6345), (4935, 5823)]