18071775

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 34060320

約数和(自身を除く): 15988545

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 653, 675, 1025, 1107, 1845, 1959, 3075, 3265, 5535, 5877, 9225, 9795, 16325, 17631, 26773, 27675, 29385, 48975, 80319, 88155, 133865, 146925, 240957, 401595, 440775, 669325, 722871, 1204785, 2007975, 3614355, 6023925, 18071775]

約数ペア:

[(1, 18071775), (3, 6023925), (5, 3614355), (9, 2007975), (15, 1204785), (25, 722871), (27, 669325), (41, 440775), (45, 401595), (75, 240957), (123, 146925), (135, 133865), (205, 88155), (225, 80319), (369, 48975), (615, 29385), (653, 27675), (675, 26773), (1025, 17631), (1107, 16325), (1845, 9795), (1959, 9225), (3075, 5877), (3265, 5535)]