25306155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 52377600

約数和(自身を除く): 27071445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 439, 549, 915, 945, 1281, 1317, 1647, 2135, 2195, 2745, 3073, 3843, 3951, 6405, 6585, 8235, 9219, 11529, 11853, 15365, 19215, 19755, 26779, 27657, 46095, 57645, 59265, 80337, 82971, 133895, 138285, 187453, 241011, 401685, 414855, 562359, 723033, 937265, 1205055, 1687077, 2811795, 3615165, 5061231, 8435385, 25306155]

約数ペア:

[(1, 25306155), (3, 8435385), (5, 5061231), (7, 3615165), (9, 2811795), (15, 1687077), (21, 1205055), (27, 937265), (35, 723033), (45, 562359), (61, 414855), (63, 401685), (105, 241011), (135, 187453), (183, 138285), (189, 133895), (305, 82971), (315, 80337), (427, 59265), (439, 57645), (549, 46095), (915, 27657), (945, 26779), (1281, 19755), (1317, 19215), (1647, 15365), (2135, 11853), (2195, 11529), (2745, 9219), (3073, 8235), (3843, 6585), (3951, 6405)]