72041427

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 119992320

約数和(自身を除く): 47950893

約数列:

[1, 3, 9, 17, 27, 31, 51, 61, 83, 93, 153, 183, 249, 279, 459, 527, 549, 747, 837, 1037, 1411, 1581, 1647, 1891, 2241, 2573, 3111, 4233, 4743, 5063, 5673, 7719, 9333, 12699, 14229, 15189, 17019, 23157, 27999, 32147, 38097, 43741, 45567, 51057, 69471, 86071, 96441, 131223, 136701, 156953, 258213, 289323, 393669, 470859, 774639, 867969, 1181007, 1412577, 2323917, 2668201, 4237731, 8004603, 24013809, 72041427]

約数ペア:

[(1, 72041427), (3, 24013809), (9, 8004603), (17, 4237731), (27, 2668201), (31, 2323917), (51, 1412577), (61, 1181007), (83, 867969), (93, 774639), (153, 470859), (183, 393669), (249, 289323), (279, 258213), (459, 156953), (527, 136701), (549, 131223), (747, 96441), (837, 86071), (1037, 69471), (1411, 51057), (1581, 45567), (1647, 43741), (1891, 38097), (2241, 32147), (2573, 27999), (3111, 23157), (4233, 17019), (4743, 15189), (5063, 14229), (5673, 12699), (7719, 9333)]