71968257

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 114533760

約数和(自身を除く): 42565503

約数列:

[1, 3, 9, 19, 27, 57, 81, 101, 171, 303, 463, 513, 909, 1389, 1539, 1919, 2727, 4167, 5757, 8181, 8797, 12501, 17271, 26391, 37503, 46763, 51813, 79173, 140289, 155439, 237519, 420867, 712557, 888497, 1262601, 2665491, 3787803, 7996473, 23989419, 71968257]

約数ペア:

[(1, 71968257), (3, 23989419), (9, 7996473), (19, 3787803), (27, 2665491), (57, 1262601), (81, 888497), (101, 712557), (171, 420867), (303, 237519), (463, 155439), (513, 140289), (909, 79173), (1389, 51813), (1539, 46763), (1919, 37503), (2727, 26391), (4167, 17271), (5757, 12501), (8181, 8797)]