172783245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 311224320

約数和(自身を除く): 138441075

約数列:

[1, 3, 5, 15, 19, 23, 43, 57, 69, 95, 115, 129, 215, 285, 345, 437, 613, 645, 817, 989, 1311, 1839, 2185, 2451, 2967, 3065, 4085, 4945, 6555, 9195, 11647, 12255, 14099, 14835, 18791, 26359, 34941, 42297, 56373, 58235, 70495, 79077, 93955, 131795, 174705, 211485, 267881, 281865, 395385, 500821, 606257, 803643, 1339405, 1502463, 1818771, 2504105, 3031285, 4018215, 7512315, 9093855, 11518883, 34556649, 57594415, 172783245]

約数ペア:

[(1, 172783245), (3, 57594415), (5, 34556649), (15, 11518883), (19, 9093855), (23, 7512315), (43, 4018215), (57, 3031285), (69, 2504105), (95, 1818771), (115, 1502463), (129, 1339405), (215, 803643), (285, 606257), (345, 500821), (437, 395385), (613, 281865), (645, 267881), (817, 211485), (989, 174705), (1311, 131795), (1839, 93955), (2185, 79077), (2451, 70495), (2967, 58235), (3065, 56373), (4085, 42297), (4945, 34941), (6555, 26359), (9195, 18791), (11647, 14835), (12255, 14099)]