81503331

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{827}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 141329664

約数和(自身を除く): 59826333

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 361, 399, 741, 827, 1083, 1729, 2481, 2527, 4693, 5187, 5789, 7581, 10751, 14079, 15713, 17367, 32253, 32851, 47139, 75257, 98553, 109991, 204269, 225771, 298547, 329973, 612807, 895641, 1429883, 2089829, 3881111, 4289649, 6269487, 11643333, 27167777, 81503331]

約数ペア:

[(1, 81503331), (3, 27167777), (7, 11643333), (13, 6269487), (19, 4289649), (21, 3881111), (39, 2089829), (57, 1429883), (91, 895641), (133, 612807), (247, 329973), (273, 298547), (361, 225771), (399, 204269), (741, 109991), (827, 98553), (1083, 75257), (1729, 47139), (2481, 32851), (2527, 32253), (4693, 17367), (5187, 15713), (5789, 14079), (7581, 10751)]