74841975

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2843}}^1$

素因数の和:2878

約数の個数: 60

約数和(自身を含む): 149349816

約数和(自身を除く): 74507841

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2843, 2925, 5265, 8529, 8775, 14215, 25587, 26325, 36959, 42645, 71075, 76761, 110877, 127935, 184795, 213225, 230283, 332631, 383805, 554385, 639675, 923975, 997893, 1151415, 1663155, 1919025, 2771925, 2993679, 4989465, 5757075, 8315775, 14968395, 24947325, 74841975]

約数ペア:

[(1, 74841975), (3, 24947325), (5, 14968395), (9, 8315775), (13, 5757075), (15, 4989465), (25, 2993679), (27, 2771925), (39, 1919025), (45, 1663155), (65, 1151415), (75, 997893), (81, 923975), (117, 639675), (135, 554385), (195, 383805), (225, 332631), (325, 230283), (351, 213225), (405, 184795), (585, 127935), (675, 110877), (975, 76761), (1053, 71075), (1755, 42645), (2025, 36959), (2843, 26325), (2925, 25587), (5265, 14215), (8529, 8775)]