81513198

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 208196352

約数和(自身を除く): 126683154

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 31, 34, 39, 51, 62, 78, 93, 102, 117, 153, 186, 221, 234, 279, 306, 403, 442, 527, 558, 661, 663, 806, 1054, 1209, 1322, 1326, 1581, 1983, 1989, 2418, 3162, 3627, 3966, 3978, 4743, 5949, 6851, 7254, 8593, 9486, 11237, 11898, 13702, 17186, 20491, 20553, 22474, 25779, 33711, 40982, 41106, 51558, 61473, 61659, 67422, 77337, 101133, 122946, 123318, 146081, 154674, 184419, 202266, 266383, 292162, 348347, 368838, 438243, 532766, 696694, 799149, 876486, 1045041, 1314729, 1598298, 2090082, 2397447, 2629458, 3135123, 4528511, 4794894, 6270246, 9057022, 13585533, 27171066, 40756599, 81513198]

約数ペア:

[(1, 81513198), (2, 40756599), (3, 27171066), (6, 13585533), (9, 9057022), (13, 6270246), (17, 4794894), (18, 4528511), (26, 3135123), (31, 2629458), (34, 2397447), (39, 2090082), (51, 1598298), (62, 1314729), (78, 1045041), (93, 876486), (102, 799149), (117, 696694), (153, 532766), (186, 438243), (221, 368838), (234, 348347), (279, 292162), (306, 266383), (403, 202266), (442, 184419), (527, 154674), (558, 146081), (661, 123318), (663, 122946), (806, 101133), (1054, 77337), (1209, 67422), (1322, 61659), (1326, 61473), (1581, 51558), (1983, 41106), (1989, 40982), (2418, 33711), (3162, 25779), (3627, 22474), (3966, 20553), (3978, 20491), (4743, 17186), (5949, 13702), (6851, 11898), (7254, 11237), (8593, 9486)]