917813379

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 1479278592

約数和(自身を除く): 561465213

約数列:

[1, 3, 7, 21, 37, 71, 111, 127, 131, 213, 259, 381, 393, 497, 777, 889, 917, 1491, 2627, 2667, 2751, 4699, 4847, 7881, 9017, 9301, 14097, 14541, 16637, 18389, 27051, 27903, 32893, 33929, 49911, 55167, 63119, 65107, 98679, 101787, 116459, 189357, 195321, 333629, 344137, 349377, 615569, 1000887, 1032411, 1181227, 1846707, 2335403, 2408959, 3543681, 4308983, 7006209, 7226877, 8268589, 12926949, 24805767, 43705399, 131116197, 305937793, 917813379]

約数ペア:

[(1, 917813379), (3, 305937793), (7, 131116197), (21, 43705399), (37, 24805767), (71, 12926949), (111, 8268589), (127, 7226877), (131, 7006209), (213, 4308983), (259, 3543681), (381, 2408959), (393, 2335403), (497, 1846707), (777, 1181227), (889, 1032411), (917, 1000887), (1491, 615569), (2627, 349377), (2667, 344137), (2751, 333629), (4699, 195321), (4847, 189357), (7881, 116459), (9017, 101787), (9301, 98679), (14097, 65107), (14541, 63119), (16637, 55167), (18389, 49911), (27051, 33929), (27903, 32893)]