277996929

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 464486400

約数和(自身を除く): 186489471

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 89, 161, 203, 223, 267, 483, 609, 623, 667, 669, 1561, 1869, 2001, 2047, 2581, 4669, 4683, 5129, 6141, 6467, 7743, 14007, 14329, 15387, 18067, 19401, 19847, 35903, 42987, 45269, 54201, 59363, 59541, 107709, 135807, 138929, 148741, 178089, 415541, 416787, 446223, 456481, 575563, 1041187, 1246623, 1369443, 1726689, 3123561, 3195367, 4028941, 9586101, 12086823, 13237949, 39713847, 92665643, 277996929]

約数ペア:

[(1, 277996929), (3, 92665643), (7, 39713847), (21, 13237949), (23, 12086823), (29, 9586101), (69, 4028941), (87, 3195367), (89, 3123561), (161, 1726689), (203, 1369443), (223, 1246623), (267, 1041187), (483, 575563), (609, 456481), (623, 446223), (667, 416787), (669, 415541), (1561, 178089), (1869, 148741), (2001, 138929), (2047, 135807), (2581, 107709), (4669, 59541), (4683, 59363), (5129, 54201), (6141, 45269), (6467, 42987), (7743, 35903), (14007, 19847), (14329, 19401), (15387, 18067)]