221724909

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{52529}}^1$

素因数の和:52609

約数の個数: 24

約数和(自身を含む): 371492160

約数和(自身を除く): 149767251

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 52529, 157587, 367703, 472761, 1103109, 3309327, 3519443, 10558329, 24636101, 31674987, 73908303, 221724909]

約数ペア:

[(1, 221724909), (3, 73908303), (7, 31674987), (9, 24636101), (21, 10558329), (63, 3519443), (67, 3309327), (201, 1103109), (469, 472761), (603, 367703), (1407, 157587), (4221, 52529)]