219873675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 439971840

約数和(自身を除く): 220098165

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 131, 139, 161, 175, 345, 393, 417, 483, 525, 575, 655, 695, 805, 917, 973, 1725, 1965, 2085, 2415, 2751, 2919, 3013, 3197, 3275, 3475, 4025, 4585, 4865, 9039, 9591, 9825, 10425, 12075, 13755, 14595, 15065, 15985, 18209, 21091, 22379, 22925, 24325, 45195, 47955, 54627, 63273, 67137, 68775, 72975, 75325, 79925, 91045, 105455, 111895, 127463, 225975, 239775, 273135, 316365, 335685, 382389, 418807, 455225, 527275, 559475, 637315, 1256421, 1365675, 1581825, 1678425, 1911945, 2094035, 2931649, 3186575, 6282105, 8794947, 9559725, 10470175, 14658245, 31410525, 43974735, 73291225, 219873675]

約数ペア:

[(1, 219873675), (3, 73291225), (5, 43974735), (7, 31410525), (15, 14658245), (21, 10470175), (23, 9559725), (25, 8794947), (35, 6282105), (69, 3186575), (75, 2931649), (105, 2094035), (115, 1911945), (131, 1678425), (139, 1581825), (161, 1365675), (175, 1256421), (345, 637315), (393, 559475), (417, 527275), (483, 455225), (525, 418807), (575, 382389), (655, 335685), (695, 316365), (805, 273135), (917, 239775), (973, 225975), (1725, 127463), (1965, 111895), (2085, 105455), (2415, 91045), (2751, 79925), (2919, 75325), (3013, 72975), (3197, 68775), (3275, 67137), (3475, 63273), (4025, 54627), (4585, 47955), (4865, 45195), (9039, 24325), (9591, 22925), (9825, 22379), (10425, 21091), (12075, 18209), (13755, 15985), (14595, 15065)]