72205263

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 56

約数和(自身を含む): 123028080

約数和(自身を除く): 50822817

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 351, 401, 513, 729, 741, 1053, 1203, 1539, 2223, 3159, 3609, 4617, 5213, 6669, 7619, 9477, 10827, 13851, 15639, 20007, 22857, 32481, 46917, 60021, 68571, 97443, 99047, 140751, 180063, 205713, 292329, 297141, 422253, 617139, 891423, 1266759, 1851417, 2674269, 3800277, 5554251, 8022807, 24068421, 72205263]

約数ペア:

[(1, 72205263), (3, 24068421), (9, 8022807), (13, 5554251), (19, 3800277), (27, 2674269), (39, 1851417), (57, 1266759), (81, 891423), (117, 617139), (171, 422253), (243, 297141), (247, 292329), (351, 205713), (401, 180063), (513, 140751), (729, 99047), (741, 97443), (1053, 68571), (1203, 60021), (1539, 46917), (2223, 32481), (3159, 22857), (3609, 20007), (4617, 15639), (5213, 13851), (6669, 10827), (7619, 9477)]