243375535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{941}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 330438528

約数和(自身を除く): 87062993

約数列:

[1, 5, 13, 23, 65, 115, 173, 299, 865, 941, 1495, 2249, 3979, 4705, 11245, 12233, 19895, 21643, 51727, 61165, 108215, 162793, 258635, 281359, 813965, 1406795, 2116309, 3744239, 10581545, 18721195, 48675107, 243375535]

約数ペア:

[(1, 243375535), (5, 48675107), (13, 18721195), (23, 10581545), (65, 3744239), (115, 2116309), (173, 1406795), (299, 813965), (865, 281359), (941, 258635), (1495, 162793), (2249, 108215), (3979, 61165), (4705, 51727), (11245, 21643), (12233, 19895)]