1561518

素因数分解:

$2^1\times 3^8\times 7^1\times {\mathrm{17}}^1$

素因数の和:50

約数の個数: 72

約数和(自身を含む): 4251312

約数和(自身を除く): 2689794

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 243, 306, 357, 378, 459, 486, 567, 714, 729, 918, 1071, 1134, 1377, 1458, 1701, 2142, 2187, 2754, 3213, 3402, 4131, 4374, 5103, 6426, 6561, 8262, 9639, 10206, 12393, 13122, 15309, 19278, 24786, 28917, 30618, 37179, 45927, 57834, 74358, 86751, 91854, 111537, 173502, 223074, 260253, 520506, 780759, 1561518]

約数ペア:

[(1, 1561518), (2, 780759), (3, 520506), (6, 260253), (7, 223074), (9, 173502), (14, 111537), (17, 91854), (18, 86751), (21, 74358), (27, 57834), (34, 45927), (42, 37179), (51, 30618), (54, 28917), (63, 24786), (81, 19278), (102, 15309), (119, 13122), (126, 12393), (153, 10206), (162, 9639), (189, 8262), (238, 6561), (243, 6426), (306, 5103), (357, 4374), (378, 4131), (459, 3402), (486, 3213), (567, 2754), (714, 2187), (729, 2142), (918, 1701), (1071, 1458), (1134, 1377)]