254133747

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 461399040

約数和(自身を除く): 207265293

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 61, 63, 67, 141, 147, 183, 189, 201, 329, 423, 427, 441, 469, 549, 603, 987, 1269, 1281, 1323, 1407, 1647, 1809, 2303, 2867, 2961, 2989, 3149, 3283, 3843, 4087, 4221, 6909, 8601, 8883, 8967, 9447, 9849, 11529, 12261, 12663, 20069, 20727, 22043, 25803, 26901, 28341, 28609, 29547, 36783, 60207, 62181, 66129, 77409, 80703, 85023, 85827, 88641, 110349, 140483, 154301, 180621, 192089, 198387, 200263, 257481, 421449, 462903, 541863, 576267, 595161, 600789, 772443, 1264347, 1344623, 1388709, 1728801, 1802367, 3793041, 4033869, 4166127, 5186403, 5407101, 9412361, 12101607, 28237083, 36304821, 84711249, 254133747]

約数ペア:

[(1, 254133747), (3, 84711249), (7, 36304821), (9, 28237083), (21, 12101607), (27, 9412361), (47, 5407101), (49, 5186403), (61, 4166127), (63, 4033869), (67, 3793041), (141, 1802367), (147, 1728801), (183, 1388709), (189, 1344623), (201, 1264347), (329, 772443), (423, 600789), (427, 595161), (441, 576267), (469, 541863), (549, 462903), (603, 421449), (987, 257481), (1269, 200263), (1281, 198387), (1323, 192089), (1407, 180621), (1647, 154301), (1809, 140483), (2303, 110349), (2867, 88641), (2961, 85827), (2989, 85023), (3149, 80703), (3283, 77409), (3843, 66129), (4087, 62181), (4221, 60207), (6909, 36783), (8601, 29547), (8883, 28609), (8967, 28341), (9447, 26901), (9849, 25803), (11529, 22043), (12261, 20727), (12663, 20069)]