26766495

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 55130400

約数和(自身を除く): 28363905

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 105, 147, 183, 199, 245, 305, 315, 427, 441, 549, 597, 735, 915, 995, 1281, 1393, 1791, 2135, 2205, 2745, 2985, 2989, 3843, 4179, 6405, 6965, 8955, 8967, 9751, 12139, 12537, 14945, 19215, 20895, 26901, 29253, 36417, 44835, 48755, 60695, 62685, 84973, 87759, 109251, 134505, 146265, 182085, 254919, 424865, 438795, 546255, 594811, 764757, 1274595, 1784433, 2974055, 3823785, 5353299, 8922165, 26766495]

約数ペア:

[(1, 26766495), (3, 8922165), (5, 5353299), (7, 3823785), (9, 2974055), (15, 1784433), (21, 1274595), (35, 764757), (45, 594811), (49, 546255), (61, 438795), (63, 424865), (105, 254919), (147, 182085), (183, 146265), (199, 134505), (245, 109251), (305, 87759), (315, 84973), (427, 62685), (441, 60695), (549, 48755), (597, 44835), (735, 36417), (915, 29253), (995, 26901), (1281, 20895), (1393, 19215), (1791, 14945), (2135, 12537), (2205, 12139), (2745, 9751), (2985, 8967), (2989, 8955), (3843, 6965), (4179, 6405)]