193520187

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 344887296

約数和(自身を除く): 151367109

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 127, 133, 171, 201, 361, 381, 399, 469, 603, 889, 1083, 1143, 1197, 1273, 1407, 2413, 2527, 2667, 3249, 3819, 4221, 7239, 7581, 8001, 8509, 8911, 11457, 16891, 21717, 22743, 24187, 25527, 26733, 45847, 50673, 59563, 72561, 76581, 80199, 137541, 152019, 161671, 169309, 178689, 217683, 320929, 412623, 485013, 507927, 536067, 962787, 1131697, 1455039, 1523781, 2888361, 3071749, 3395091, 9215247, 10185273, 21502243, 27645741, 64506729, 193520187]

約数ペア:

[(1, 193520187), (3, 64506729), (7, 27645741), (9, 21502243), (19, 10185273), (21, 9215247), (57, 3395091), (63, 3071749), (67, 2888361), (127, 1523781), (133, 1455039), (171, 1131697), (201, 962787), (361, 536067), (381, 507927), (399, 485013), (469, 412623), (603, 320929), (889, 217683), (1083, 178689), (1143, 169309), (1197, 161671), (1273, 152019), (1407, 137541), (2413, 80199), (2527, 76581), (2667, 72561), (3249, 59563), (3819, 50673), (4221, 45847), (7239, 26733), (7581, 25527), (8001, 24187), (8509, 22743), (8911, 21717), (11457, 16891)]