217252095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{18127}}^1$

素因数の和:18199

約数の個数: 32

約数和(自身を含む): 375902208

約数和(自身を除く): 158650113

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 18127, 54381, 90635, 271905, 308159, 851969, 924477, 1540795, 2555907, 4259845, 4622385, 12779535, 14483473, 43450419, 72417365, 217252095]

約数ペア:

[(1, 217252095), (3, 72417365), (5, 43450419), (15, 14483473), (17, 12779535), (47, 4622385), (51, 4259845), (85, 2555907), (141, 1540795), (235, 924477), (255, 851969), (705, 308159), (799, 271905), (2397, 90635), (3995, 54381), (11985, 18127)]