78138675

素因数分解:

$3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 60

約数和(自身を含む): 147999456

約数和(自身を除く): 69860781

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 405, 423, 675, 705, 821, 1175, 1269, 2025, 2115, 2463, 3525, 3807, 4105, 6345, 7389, 10575, 12315, 19035, 20525, 22167, 31725, 36945, 38587, 61575, 66501, 95175, 110835, 115761, 184725, 192935, 332505, 347283, 554175, 578805, 964675, 1041849, 1662525, 1736415, 2894025, 3125547, 5209245, 8682075, 15627735, 26046225, 78138675]

約数ペア:

[(1, 78138675), (3, 26046225), (5, 15627735), (9, 8682075), (15, 5209245), (25, 3125547), (27, 2894025), (45, 1736415), (47, 1662525), (75, 1041849), (81, 964675), (135, 578805), (141, 554175), (225, 347283), (235, 332505), (405, 192935), (423, 184725), (675, 115761), (705, 110835), (821, 95175), (1175, 66501), (1269, 61575), (2025, 38587), (2115, 36945), (2463, 31725), (3525, 22167), (3807, 20525), (4105, 19035), (6345, 12315), (7389, 10575)]