257958045

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2221}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 467953200

約数和(自身を除く): 209995155

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 89, 145, 261, 267, 435, 445, 801, 1305, 1335, 2221, 2581, 4005, 6663, 7743, 11105, 12905, 19989, 23229, 33315, 38715, 64409, 99945, 116145, 193227, 197669, 322045, 579681, 593007, 966135, 988345, 1779021, 2898405, 2965035, 5732401, 8895105, 17197203, 28662005, 51591609, 85986015, 257958045]

約数ペア:

[(1, 257958045), (3, 85986015), (5, 51591609), (9, 28662005), (15, 17197203), (29, 8895105), (45, 5732401), (87, 2965035), (89, 2898405), (145, 1779021), (261, 988345), (267, 966135), (435, 593007), (445, 579681), (801, 322045), (1305, 197669), (1335, 193227), (2221, 116145), (2581, 99945), (4005, 64409), (6663, 38715), (7743, 33315), (11105, 23229), (12905, 19989)]