203311245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{5351}}^1$

素因数の和:5525

約数の個数: 32

約数和(自身を含む): 346809600

約数和(自身を除く): 143498355

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 2235, 2533, 5351, 7599, 12665, 16053, 26755, 37995, 80265, 90967, 272901, 454835, 797299, 1364505, 2391897, 3986495, 11959485, 13554083, 40662249, 67770415, 203311245]

約数ペア:

[(1, 203311245), (3, 67770415), (5, 40662249), (15, 13554083), (17, 11959485), (51, 3986495), (85, 2391897), (149, 1364505), (255, 797299), (447, 454835), (745, 272901), (2235, 90967), (2533, 80265), (5351, 37995), (7599, 26755), (12665, 16053)]