1689345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 3474432

約数和(自身を除く): 1785087

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 173, 217, 279, 315, 465, 519, 651, 865, 1085, 1211, 1395, 1557, 1953, 2595, 3255, 3633, 5363, 6055, 7785, 9765, 10899, 16089, 18165, 26815, 37541, 48267, 54495, 80445, 112623, 187705, 241335, 337869, 563115, 1689345]

約数ペア:

[(1, 1689345), (3, 563115), (5, 337869), (7, 241335), (9, 187705), (15, 112623), (21, 80445), (31, 54495), (35, 48267), (45, 37541), (63, 26815), (93, 18165), (105, 16089), (155, 10899), (173, 9765), (217, 7785), (279, 6055), (315, 5363), (465, 3633), (519, 3255), (651, 2595), (865, 1953), (1085, 1557), (1211, 1395)]