81184275

素因数分解:

$3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:922

約数の個数: 60

約数和(自身を含む): 153760992

約数和(自身を除く): 72576717

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 405, 423, 675, 705, 853, 1175, 1269, 2025, 2115, 2559, 3525, 3807, 4265, 6345, 7677, 10575, 12795, 19035, 21325, 23031, 31725, 38385, 40091, 63975, 69093, 95175, 115155, 120273, 191925, 200455, 345465, 360819, 575775, 601365, 1002275, 1082457, 1727325, 1804095, 3006825, 3247371, 5412285, 9020475, 16236855, 27061425, 81184275]

約数ペア:

[(1, 81184275), (3, 27061425), (5, 16236855), (9, 9020475), (15, 5412285), (25, 3247371), (27, 3006825), (45, 1804095), (47, 1727325), (75, 1082457), (81, 1002275), (135, 601365), (141, 575775), (225, 360819), (235, 345465), (405, 200455), (423, 191925), (675, 120273), (705, 115155), (853, 95175), (1175, 69093), (1269, 63975), (2025, 40091), (2115, 38385), (2559, 31725), (3525, 23031), (3807, 21325), (4265, 19035), (6345, 12795), (7677, 10575)]