253770165

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56963}}^1$

素因数の和:56991

約数の個数: 40

約数和(自身を含む): 496270368

約数和(自身を除く): 242500203

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 56963, 170889, 284815, 512667, 626593, 854445, 1538001, 1879779, 2563335, 3132965, 4614003, 5639337, 7690005, 9398895, 16918011, 23070015, 28196685, 50754033, 84590055, 253770165]

約数ペア:

[(1, 253770165), (3, 84590055), (5, 50754033), (9, 28196685), (11, 23070015), (15, 16918011), (27, 9398895), (33, 7690005), (45, 5639337), (55, 4614003), (81, 3132965), (99, 2563335), (135, 1879779), (165, 1538001), (297, 854445), (405, 626593), (495, 512667), (891, 284815), (1485, 170889), (4455, 56963)]