78738075

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 157660048

約数和(自身を除く): 78921973

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 405, 585, 675, 975, 997, 1053, 1215, 1755, 2025, 2925, 2991, 3159, 4985, 5265, 6075, 8775, 8973, 12961, 14955, 15795, 24925, 26325, 26919, 38883, 44865, 64805, 74775, 78975, 80757, 116649, 134595, 194415, 224325, 242271, 324025, 349947, 403785, 583245, 672975, 972075, 1049841, 1211355, 1749735, 2018925, 2916225, 3149523, 5249205, 6056775, 8748675, 15747615, 26246025, 78738075]

約数ペア:

[(1, 78738075), (3, 26246025), (5, 15747615), (9, 8748675), (13, 6056775), (15, 5249205), (25, 3149523), (27, 2916225), (39, 2018925), (45, 1749735), (65, 1211355), (75, 1049841), (81, 972075), (117, 672975), (135, 583245), (195, 403785), (225, 349947), (243, 324025), (325, 242271), (351, 224325), (405, 194415), (585, 134595), (675, 116649), (975, 80757), (997, 78975), (1053, 74775), (1215, 64805), (1755, 44865), (2025, 38883), (2925, 26919), (2991, 26325), (3159, 24925), (4985, 15795), (5265, 14955), (6075, 12961), (8775, 8973)]