72775521

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5270

約数の個数: 48

約数和(自身を含む): 137015424

約数和(自身を除く): 64239903

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 5227, 13923, 15681, 36589, 47043, 67951, 88859, 109767, 203853, 266577, 329301, 475657, 611559, 622013, 799731, 1155167, 1426971, 1866039, 3465501, 4280913, 5598117, 8086169, 10396503, 24258507, 72775521]

約数ペア:

[(1, 72775521), (3, 24258507), (7, 10396503), (9, 8086169), (13, 5598117), (17, 4280913), (21, 3465501), (39, 1866039), (51, 1426971), (63, 1155167), (91, 799731), (117, 622013), (119, 611559), (153, 475657), (221, 329301), (273, 266577), (357, 203853), (663, 109767), (819, 88859), (1071, 67951), (1547, 47043), (1989, 36589), (4641, 15681), (5227, 13923)]