217007439

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1609}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 325812480

約数和(自身を除く): 108805041

約数列:

[1, 3, 11, 33, 61, 67, 183, 201, 671, 737, 1609, 2013, 2211, 4087, 4827, 12261, 17699, 44957, 53097, 98149, 107803, 134871, 294447, 323409, 1079639, 1185833, 3238917, 3557499, 6575983, 19727949, 72335813, 217007439]

約数ペア:

[(1, 217007439), (3, 72335813), (11, 19727949), (33, 6575983), (61, 3557499), (67, 3238917), (183, 1185833), (201, 1079639), (671, 323409), (737, 294447), (1609, 134871), (2013, 107803), (2211, 98149), (4087, 53097), (4827, 44957), (12261, 17699)]