242893455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2420

約数の個数: 64

約数和(自身を含む): 474439680

約数和(自身を除く): 231546225

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 69, 105, 115, 129, 161, 215, 301, 345, 483, 645, 805, 903, 989, 1505, 2339, 2415, 2967, 4515, 4945, 6923, 7017, 11695, 14835, 16373, 20769, 34615, 35085, 49119, 53797, 81865, 100577, 103845, 161391, 245595, 268985, 301731, 376579, 502885, 704039, 806955, 1129737, 1508655, 1882895, 2112117, 2313271, 3520195, 5648685, 6939813, 10560585, 11566355, 16192897, 34699065, 48578691, 80964485, 242893455]

約数ペア:

[(1, 242893455), (3, 80964485), (5, 48578691), (7, 34699065), (15, 16192897), (21, 11566355), (23, 10560585), (35, 6939813), (43, 5648685), (69, 3520195), (105, 2313271), (115, 2112117), (129, 1882895), (161, 1508655), (215, 1129737), (301, 806955), (345, 704039), (483, 502885), (645, 376579), (805, 301731), (903, 268985), (989, 245595), (1505, 161391), (2339, 103845), (2415, 100577), (2967, 81865), (4515, 53797), (4945, 49119), (6923, 35085), (7017, 34615), (11695, 20769), (14835, 16373)]