30691395

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 64022400

約数和(自身を除く): 33331005

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 441, 449, 465, 651, 735, 1085, 1347, 1395, 1519, 1953, 2205, 2245, 3143, 3255, 4041, 4557, 6735, 7595, 9429, 9765, 13671, 13919, 15715, 20205, 22001, 22785, 28287, 41757, 47145, 66003, 68355, 69595, 97433, 110005, 125271, 141435, 198009, 208785, 292299, 330015, 487165, 626355, 682031, 876897, 990045, 1461495, 2046093, 3410155, 4384485, 6138279, 10230465, 30691395]

約数ペア:

[(1, 30691395), (3, 10230465), (5, 6138279), (7, 4384485), (9, 3410155), (15, 2046093), (21, 1461495), (31, 990045), (35, 876897), (45, 682031), (49, 626355), (63, 487165), (93, 330015), (105, 292299), (147, 208785), (155, 198009), (217, 141435), (245, 125271), (279, 110005), (315, 97433), (441, 69595), (449, 68355), (465, 66003), (651, 47145), (735, 41757), (1085, 28287), (1347, 22785), (1395, 22001), (1519, 20205), (1953, 15715), (2205, 13919), (2245, 13671), (3143, 9765), (3255, 9429), (4041, 7595), (4557, 6735)]