242912187

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 420925440

約数和(自身を除く): 178013253

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 279, 427, 549, 651, 1281, 1891, 1953, 2039, 3843, 5673, 6117, 13237, 14273, 17019, 18351, 39711, 42819, 63209, 119133, 124379, 128457, 189627, 373137, 442463, 568881, 870653, 1119411, 1327389, 2611959, 3855749, 3982167, 7835877, 11567247, 26990243, 34701741, 80970729, 242912187]

約数ペア:

[(1, 242912187), (3, 80970729), (7, 34701741), (9, 26990243), (21, 11567247), (31, 7835877), (61, 3982167), (63, 3855749), (93, 2611959), (183, 1327389), (217, 1119411), (279, 870653), (427, 568881), (549, 442463), (651, 373137), (1281, 189627), (1891, 128457), (1953, 124379), (2039, 119133), (3843, 63209), (5673, 42819), (6117, 39711), (13237, 18351), (14273, 17019)]