211014975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1109}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 363369600

約数和(自身を除く): 152354625

約数列:

[1, 3, 5, 15, 25, 43, 59, 75, 129, 177, 215, 295, 645, 885, 1075, 1109, 1475, 2537, 3225, 3327, 4425, 5545, 7611, 12685, 16635, 27725, 38055, 47687, 63425, 65431, 83175, 143061, 190275, 196293, 238435, 327155, 715305, 981465, 1192175, 1635775, 2813533, 3576525, 4907325, 8440599, 14067665, 42202995, 70338325, 211014975]

約数ペア:

[(1, 211014975), (3, 70338325), (5, 42202995), (15, 14067665), (25, 8440599), (43, 4907325), (59, 3576525), (75, 2813533), (129, 1635775), (177, 1192175), (215, 981465), (295, 715305), (645, 327155), (885, 238435), (1075, 196293), (1109, 190275), (1475, 143061), (2537, 83175), (3225, 65431), (3327, 63425), (4425, 47687), (5545, 38055), (7611, 27725), (12685, 16635)]