281463039

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 212053761

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 269, 271, 297, 351, 429, 807, 813, 1287, 2421, 2439, 2959, 2981, 3497, 3523, 3861, 7263, 7317, 8877, 8943, 10491, 10569, 26631, 26829, 31473, 31707, 38467, 38753, 72899, 79893, 80487, 94419, 95121, 115401, 116259, 218697, 346203, 348777, 656091, 801889, 947687, 1038609, 1046331, 1968273, 2405667, 2843061, 7217001, 8529183, 10424557, 21651003, 25587549, 31273671, 93821013, 281463039]

約数ペア:

[(1, 281463039), (3, 93821013), (9, 31273671), (11, 25587549), (13, 21651003), (27, 10424557), (33, 8529183), (39, 7217001), (99, 2843061), (117, 2405667), (143, 1968273), (269, 1046331), (271, 1038609), (297, 947687), (351, 801889), (429, 656091), (807, 348777), (813, 346203), (1287, 218697), (2421, 116259), (2439, 115401), (2959, 95121), (2981, 94419), (3497, 80487), (3523, 79893), (3861, 72899), (7263, 38753), (7317, 38467), (8877, 31707), (8943, 31473), (10491, 26829), (10569, 26631)]