81306036

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18979}}^1$

素因数の和:19013

約数の個数: 72

約数和(自身を含む): 248713920

約数和(自身を除く): 167407884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 18979, 37958, 56937, 75916, 113874, 132853, 170811, 227748, 265706, 322643, 341622, 398559, 531412, 645286, 683244, 797118, 967929, 1195677, 1290572, 1594236, 1935858, 2258501, 2391354, 2903787, 3871716, 4517002, 4782708, 5807574, 6775503, 9034004, 11615148, 13551006, 20326509, 27102012, 40653018, 81306036]

約数ペア:

[(1, 81306036), (2, 40653018), (3, 27102012), (4, 20326509), (6, 13551006), (7, 11615148), (9, 9034004), (12, 6775503), (14, 5807574), (17, 4782708), (18, 4517002), (21, 3871716), (28, 2903787), (34, 2391354), (36, 2258501), (42, 1935858), (51, 1594236), (63, 1290572), (68, 1195677), (84, 967929), (102, 797118), (119, 683244), (126, 645286), (153, 531412), (204, 398559), (238, 341622), (252, 322643), (306, 265706), (357, 227748), (476, 170811), (612, 132853), (714, 113874), (1071, 75916), (1428, 56937), (2142, 37958), (4284, 18979)]