212980905

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 164414295

約数列:

[1, 3, 5, 9, 15, 45, 83, 127, 249, 381, 415, 449, 635, 747, 1143, 1245, 1347, 1905, 2245, 3735, 4041, 5715, 6735, 10541, 20205, 31623, 37267, 52705, 57023, 94869, 111801, 158115, 171069, 186335, 285115, 335403, 474345, 513207, 559005, 855345, 1677015, 2566035, 4732909, 14198727, 23664545, 42596181, 70993635, 212980905]

約数ペア:

[(1, 212980905), (3, 70993635), (5, 42596181), (9, 23664545), (15, 14198727), (45, 4732909), (83, 2566035), (127, 1677015), (249, 855345), (381, 559005), (415, 513207), (449, 474345), (635, 335403), (747, 285115), (1143, 186335), (1245, 171069), (1347, 158115), (1905, 111801), (2245, 94869), (3735, 57023), (4041, 52705), (5715, 37267), (6735, 31623), (10541, 20205)]