213555675

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 371663712

約数和(自身を除く): 158108037

約数列:

[1, 3, 5, 15, 25, 37, 41, 75, 111, 123, 185, 205, 555, 615, 925, 1025, 1517, 1877, 2775, 3075, 4551, 5631, 7585, 9385, 22755, 28155, 37925, 46925, 69449, 76957, 113775, 140775, 208347, 230871, 347245, 384785, 1041735, 1154355, 1736225, 1923925, 2847409, 5208675, 5771775, 8542227, 14237045, 42711135, 71185225, 213555675]

約数ペア:

[(1, 213555675), (3, 71185225), (5, 42711135), (15, 14237045), (25, 8542227), (37, 5771775), (41, 5208675), (75, 2847409), (111, 1923925), (123, 1736225), (185, 1154355), (205, 1041735), (555, 384785), (615, 347245), (925, 230871), (1025, 208347), (1517, 140775), (1877, 113775), (2775, 76957), (3075, 69449), (4551, 46925), (5631, 37925), (7585, 28155), (9385, 22755)]