72810825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 124920576

約数和(自身を除く): 52109751

約数列:

[1, 3, 5, 15, 25, 43, 75, 107, 129, 211, 215, 321, 535, 633, 645, 1055, 1075, 1605, 2675, 3165, 3225, 4601, 5275, 8025, 9073, 13803, 15825, 22577, 23005, 27219, 45365, 67731, 69015, 112885, 115025, 136095, 226825, 338655, 345075, 564425, 680475, 970811, 1693275, 2912433, 4854055, 14562165, 24270275, 72810825]

約数ペア:

[(1, 72810825), (3, 24270275), (5, 14562165), (15, 4854055), (25, 2912433), (43, 1693275), (75, 970811), (107, 680475), (129, 564425), (211, 345075), (215, 338655), (321, 226825), (535, 136095), (633, 115025), (645, 112885), (1055, 69015), (1075, 67731), (1605, 45365), (2675, 27219), (3165, 23005), (3225, 22577), (4601, 15825), (5275, 13803), (8025, 9073)]