1640160009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{17471}}^1$

素因数の和:17563

約数の個数: 40

約数和(自身を含む): 2621498880

約数和(自身を除く): 981338871

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 171, 183, 513, 549, 1159, 1539, 1647, 3477, 4941, 10431, 17471, 31293, 52413, 93879, 157239, 331949, 471717, 995847, 1065731, 1415151, 2987541, 3197193, 8962623, 9591579, 20248889, 26887869, 28774737, 60746667, 86324211, 182240001, 546720003, 1640160009]

約数ペア:

[(1, 1640160009), (3, 546720003), (9, 182240001), (19, 86324211), (27, 60746667), (57, 28774737), (61, 26887869), (81, 20248889), (171, 9591579), (183, 8962623), (513, 3197193), (549, 2987541), (1159, 1415151), (1539, 1065731), (1647, 995847), (3477, 471717), (4941, 331949), (10431, 157239), (17471, 93879), (31293, 52413)]