2971890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{1223}}^1$

素因数の和:1245

約数の個数: 48

約数和(自身を含む): 8019648

約数和(自身を除く): 5047758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 1223, 2430, 2446, 3669, 6115, 7338, 11007, 12230, 18345, 22014, 33021, 36690, 55035, 66042, 99063, 110070, 165105, 198126, 297189, 330210, 495315, 594378, 990630, 1485945, 2971890]

約数ペア:

[(1, 2971890), (2, 1485945), (3, 990630), (5, 594378), (6, 495315), (9, 330210), (10, 297189), (15, 198126), (18, 165105), (27, 110070), (30, 99063), (45, 66042), (54, 55035), (81, 36690), (90, 33021), (135, 22014), (162, 18345), (243, 12230), (270, 11007), (405, 7338), (486, 6115), (810, 3669), (1215, 2446), (1223, 2430)]