420006573

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3533}}^1$

素因数の和:3603

約数の個数: 64

約数和(自身を含む): 773521920

約数和(自身を除く): 353515347

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 259, 333, 357, 459, 629, 777, 999, 1071, 1887, 2331, 3213, 3533, 4403, 5661, 6993, 10599, 13209, 16983, 24731, 31797, 39627, 60061, 74193, 95391, 118881, 130721, 180183, 222579, 392163, 420427, 540549, 667737, 915047, 1176489, 1261281, 1621647, 2222257, 2745141, 3529467, 3783843, 6666771, 8235423, 11351529, 15555799, 20000313, 24706269, 46667397, 60000939, 140002191, 420006573]

約数ペア:

[(1, 420006573), (3, 140002191), (7, 60000939), (9, 46667397), (17, 24706269), (21, 20000313), (27, 15555799), (37, 11351529), (51, 8235423), (63, 6666771), (111, 3783843), (119, 3529467), (153, 2745141), (189, 2222257), (259, 1621647), (333, 1261281), (357, 1176489), (459, 915047), (629, 667737), (777, 540549), (999, 420427), (1071, 392163), (1887, 222579), (2331, 180183), (3213, 130721), (3533, 118881), (4403, 95391), (5661, 74193), (6993, 60061), (10599, 39627), (13209, 31797), (16983, 24731)]