142775775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 273620880

約数和(自身を除く): 130845105

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 163, 225, 229, 255, 425, 489, 687, 765, 815, 1145, 1275, 1467, 2061, 2445, 2771, 3435, 3825, 3893, 4075, 5725, 7335, 8313, 10305, 11679, 12225, 13855, 17175, 19465, 24939, 35037, 36675, 37327, 41565, 51525, 58395, 69275, 97325, 111981, 124695, 175185, 186635, 207825, 291975, 335943, 559905, 623475, 634559, 875925, 933175, 1679715, 1903677, 2799525, 3172795, 5711031, 8398575, 9518385, 15863975, 28555155, 47591925, 142775775]

約数ペア:

[(1, 142775775), (3, 47591925), (5, 28555155), (9, 15863975), (15, 9518385), (17, 8398575), (25, 5711031), (45, 3172795), (51, 2799525), (75, 1903677), (85, 1679715), (153, 933175), (163, 875925), (225, 634559), (229, 623475), (255, 559905), (425, 335943), (489, 291975), (687, 207825), (765, 186635), (815, 175185), (1145, 124695), (1275, 111981), (1467, 97325), (2061, 69275), (2445, 58395), (2771, 51525), (3435, 41565), (3825, 37327), (3893, 36675), (4075, 35037), (5725, 24939), (7335, 19465), (8313, 17175), (10305, 13855), (11679, 12225)]