1263465

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{191}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 2626560

約数和(自身を除く): 1363095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 191, 245, 315, 441, 573, 735, 945, 955, 1323, 1337, 1719, 2205, 2865, 4011, 5157, 6615, 6685, 8595, 9359, 12033, 20055, 25785, 28077, 36099, 46795, 60165, 84231, 140385, 180495, 252693, 421155, 1263465]

約数ペア:

[(1, 1263465), (3, 421155), (5, 252693), (7, 180495), (9, 140385), (15, 84231), (21, 60165), (27, 46795), (35, 36099), (45, 28077), (49, 25785), (63, 20055), (105, 12033), (135, 9359), (147, 8595), (189, 6685), (191, 6615), (245, 5157), (315, 4011), (441, 2865), (573, 2205), (735, 1719), (945, 1337), (955, 1323)]