1215972

素因数分解:

$2^2\times 3^7\times {\mathrm{139}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 3214400

約数和(自身を除く): 1998428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 162, 243, 278, 324, 417, 486, 556, 729, 834, 972, 1251, 1458, 1668, 2187, 2502, 2916, 3753, 4374, 5004, 7506, 8748, 11259, 15012, 22518, 33777, 45036, 67554, 101331, 135108, 202662, 303993, 405324, 607986, 1215972]

約数ペア:

[(1, 1215972), (2, 607986), (3, 405324), (4, 303993), (6, 202662), (9, 135108), (12, 101331), (18, 67554), (27, 45036), (36, 33777), (54, 22518), (81, 15012), (108, 11259), (139, 8748), (162, 7506), (243, 5004), (278, 4374), (324, 3753), (417, 2916), (486, 2502), (556, 2187), (729, 1668), (834, 1458), (972, 1251)]