72787455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 144909648

約数和(自身を除く): 72122193

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 169, 195, 221, 255, 507, 563, 585, 663, 765, 845, 1105, 1521, 1689, 1989, 2535, 2815, 2873, 3315, 5067, 7319, 7605, 8445, 8619, 9571, 9945, 14365, 21957, 25335, 25857, 28713, 36595, 43095, 47855, 65871, 86139, 95147, 109785, 124423, 129285, 143565, 285441, 329355, 373269, 430695, 475735, 622115, 856323, 1119807, 1427205, 1617499, 1866345, 4281615, 4852497, 5599035, 8087495, 14557491, 24262485, 72787455]

約数ペア:

[(1, 72787455), (3, 24262485), (5, 14557491), (9, 8087495), (13, 5599035), (15, 4852497), (17, 4281615), (39, 1866345), (45, 1617499), (51, 1427205), (65, 1119807), (85, 856323), (117, 622115), (153, 475735), (169, 430695), (195, 373269), (221, 329355), (255, 285441), (507, 143565), (563, 129285), (585, 124423), (663, 109785), (765, 95147), (845, 86139), (1105, 65871), (1521, 47855), (1689, 43095), (1989, 36595), (2535, 28713), (2815, 25857), (2873, 25335), (3315, 21957), (5067, 14365), (7319, 9945), (7605, 9571), (8445, 8619)]