678047643

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 1240149456

約数和(自身を除く): 562101813

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 101, 117, 147, 273, 303, 441, 637, 707, 819, 909, 1171, 1313, 1911, 2121, 3513, 3939, 4949, 5733, 6363, 8197, 9191, 10539, 11817, 14847, 15223, 24591, 27573, 44541, 45669, 57379, 64337, 73773, 82719, 106561, 118271, 137007, 172137, 193011, 319683, 354813, 516411, 579033, 745927, 827897, 959049, 1064439, 1537523, 2237781, 2483691, 4612569, 5795279, 6713343, 7451073, 10762661, 13837707, 17385837, 32287983, 52157511, 75338627, 96863949, 226015881, 678047643]

約数ペア:

[(1, 678047643), (3, 226015881), (7, 96863949), (9, 75338627), (13, 52157511), (21, 32287983), (39, 17385837), (49, 13837707), (63, 10762661), (91, 7451073), (101, 6713343), (117, 5795279), (147, 4612569), (273, 2483691), (303, 2237781), (441, 1537523), (637, 1064439), (707, 959049), (819, 827897), (909, 745927), (1171, 579033), (1313, 516411), (1911, 354813), (2121, 319683), (3513, 193011), (3939, 172137), (4949, 137007), (5733, 118271), (6363, 106561), (8197, 82719), (9191, 73773), (10539, 64337), (11817, 57379), (14847, 45669), (15223, 44541), (24591, 27573)]